REVIEWED: Code formating
This commit is contained in:
Ray
parent
c17e0cd5d9
commit
e6860d2e06
@ -37,7 +37,7 @@
|
||||
//------------------------------------------------------------------------------------
|
||||
// Helper function
|
||||
//------------------------------------------------------------------------------------
|
||||
void LoadCurveDefaults(GuiCurveEditState curves[]);
|
||||
void LoadCurveDefaults(GuiCurveEditorState curves[]);
|
||||
|
||||
//------------------------------------------------------------------------------------
|
||||
// Program main entry point
|
||||
@ -80,7 +80,7 @@ int main()
|
||||
// 2 -> Ball Width
|
||||
// 3 -> Ball Height
|
||||
// 4 -> Ball rotation
|
||||
GuiCurveEditState curves[5] = { 0 };
|
||||
GuiCurveEditorState curves[5] = { 0 };
|
||||
LoadCurveDefaults(curves);
|
||||
|
||||
// Animation time
|
||||
@ -102,9 +102,9 @@ int main()
|
||||
|
||||
// Ball animation
|
||||
const float t = time/animationTime;
|
||||
Vector2 ballPos = (Vector2){ EvalGuiCurve(&curves[0], t), EvalGuiCurve(&curves[1], t) };
|
||||
Vector2 ballSize = (Vector2){ EvalGuiCurve(&curves[2], t), EvalGuiCurve(&curves[3], t) };
|
||||
float ballRotation = EvalGuiCurve(&curves[4], t);
|
||||
Vector2 ballPos = (Vector2){ GuiCurveEval(&curves[0], t), GuiCurveEval(&curves[1], t) };
|
||||
Vector2 ballSize = (Vector2){ GuiCurveEval(&curves[2], t), GuiCurveEval(&curves[3], t) };
|
||||
float ballRotation = GuiCurveEval(&curves[4], t);
|
||||
|
||||
// Update style
|
||||
if (visualStyleActive != prevVisualStyleActive)
|
||||
@ -239,7 +239,7 @@ int main()
|
||||
|
||||
// Curves can leaks from control boundary... scissor it !
|
||||
BeginScissorMode(curveRect.x, curveRect.y, curveRect.width, curveRect.height);
|
||||
GuiCurveEdit(&curves[i],curveRect);
|
||||
GuiCurveEditor(&curves[i],curveRect);
|
||||
EndScissorMode();
|
||||
|
||||
// Resume clipping from setting rect
|
||||
@ -247,7 +247,7 @@ int main()
|
||||
contentRect.height += fontSize*12 + margin;
|
||||
|
||||
// Draw selected point controls
|
||||
GuiCurveEditPoint *p = &(curves[i].points[curves[i].selectedIndex]);
|
||||
GuiCurveEditorPoint *p = &(curves[i].points[curves[i].selectedIndex]);
|
||||
GuiCheckBox((Rectangle){ contentRect.x, contentRect.y + contentRect.height + scrollOffset.y, 1.5f*fontSize, 1.5f*fontSize }, "Left Linear", &p->leftLinear);
|
||||
GuiCheckBox((Rectangle){ contentRect.x+contentRect.width/2, contentRect.y + contentRect.height + scrollOffset.y, 1.5f*fontSize, 1.5f*fontSize }, "Right Linear", &p->rightLinear);
|
||||
contentRect.height += 1.5f*fontSize + margin;
|
||||
@ -381,7 +381,7 @@ int main()
|
||||
return 0;
|
||||
}
|
||||
|
||||
void LoadCurveDefaults(GuiCurveEditState curves[])
|
||||
void LoadCurveDefaults(GuiCurveEditorState curves[])
|
||||
{
|
||||
// X pos
|
||||
curves[0].start = 28;
|
||||
|
||||
@ -59,27 +59,30 @@
|
||||
//----------------------------------------------------------------------------------
|
||||
|
||||
typedef struct {
|
||||
Vector2 position; // In normalized space [0.f, 1.f]
|
||||
Vector2 position; // In normalized space [0.0f, 1.0f]
|
||||
Vector2 tangents; // The derivatives (left/right) of the 1D curve
|
||||
|
||||
// Let the curve editor calculate tangents to linearize part of the curve
|
||||
bool leftLinear;
|
||||
bool rightLinear;
|
||||
} GuiCurveEditPoint;
|
||||
} GuiCurveEditorPoint;
|
||||
|
||||
typedef struct {
|
||||
float start; // Value at y = 0
|
||||
float end; // Value at y = 1
|
||||
|
||||
// Always valid (unless you manualy change state's point array). Make sure to set it to -1 before init
|
||||
int selectedIndex;
|
||||
|
||||
// Unsorted array with at least one point (constant curve)
|
||||
GuiCurveEditPoint points[GUI_CURVE_EDIT_MAX_POINTS];
|
||||
GuiCurveEditorPoint points[GUI_CURVE_EDIT_MAX_POINTS];
|
||||
int numPoints;
|
||||
|
||||
// private part
|
||||
// Private variables
|
||||
bool editLeftTangent;
|
||||
bool editRightTangent;
|
||||
Vector2 mouseOffset;
|
||||
} GuiCurveEditState;
|
||||
} GuiCurveEditorState;
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
@ -90,15 +93,14 @@ extern "C" { // Prevents name mangling of functions
|
||||
// Module Functions Declaration
|
||||
//----------------------------------------------------------------------------------
|
||||
|
||||
// Initialize state
|
||||
GuiCurveEditState InitGuiCurveEdit();
|
||||
// Draw and update curve control
|
||||
void GuiCurveEdit(GuiCurveEditState *state, Rectangle bounds);
|
||||
|
||||
GuiCurveEditorState GuiInitCurveEditor(); // Initialize curve editor state
|
||||
void GuiCurveEditor(GuiCurveEditorState *state, Rectangle bounds); // Draw and update curve control
|
||||
|
||||
// 1D Interpolation
|
||||
// Returns the y value (in [start, end]) of the curve at x = t
|
||||
// t must be normalized [0.f, 1.f]
|
||||
float EvalGuiCurve(GuiCurveEditState *state, float t);
|
||||
float GuiCurveEval(GuiCurveEditorState *state, float t);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
@ -121,177 +123,186 @@ float EvalGuiCurve(GuiCurveEditState *state, float t);
|
||||
// Module Functions Definition
|
||||
//----------------------------------------------------------------------------------
|
||||
|
||||
GuiCurveEditState InitGuiCurveEdit()
|
||||
GuiCurveEditorState GuiInitCurveEditor()
|
||||
{
|
||||
GuiCurveEditState state;
|
||||
GuiCurveEditorState state = { 0 };
|
||||
|
||||
state.start = 0;
|
||||
state.end = 1;
|
||||
state.selectedIndex = 0;
|
||||
state.editLeftTangent = false;
|
||||
state.editRightTangent = false;
|
||||
state.mouseOffset = (Vector2) {0.f,0.f};
|
||||
state.mouseOffset = (Vector2){ 0.0f, 0.0f };
|
||||
|
||||
// At least one point (AVG by default)
|
||||
state.numPoints = 1;
|
||||
state.points[0].position = (Vector2) {0.5f,0.5f};
|
||||
state.points[0].tangents = (Vector2) {0.f,0.f};
|
||||
state.points[0].position = (Vector2){ 0.5f, 0.5f };
|
||||
state.points[0].tangents = (Vector2){ 0.0f, 0.0f };
|
||||
state.points[0].leftLinear = false;
|
||||
state.points[0].rightLinear = false;
|
||||
|
||||
return state;
|
||||
}
|
||||
|
||||
int CompareGuiCurveEditPointPtr (const void * a, const void * b)
|
||||
static int CompareGuiCurveEditPointPtr(const void *a, const void *b)
|
||||
{
|
||||
float fa = (*(GuiCurveEditPoint**)a)->position.x;
|
||||
float fb = (*(GuiCurveEditPoint**)b)->position.x;
|
||||
return (fa > fb) - (fa < fb);
|
||||
float fa = (*(GuiCurveEditorPoint**)a)->position.x;
|
||||
float fb = (*(GuiCurveEditorPoint**)b)->position.x;
|
||||
|
||||
return ((fa > fb) - (fa < fb));
|
||||
}
|
||||
|
||||
float EvalGuiCurve(GuiCurveEditState *state, float t){
|
||||
|
||||
float GuiCurveEval(GuiCurveEditorState *state, float t)
|
||||
{
|
||||
// Sort points
|
||||
GuiCurveEditPoint* sortedPoints[GUI_CURVE_EDIT_MAX_POINTS];
|
||||
for(int i=0; i < state->numPoints; i++){
|
||||
sortedPoints[i] = &state->points[i];
|
||||
}
|
||||
qsort(sortedPoints, state->numPoints, sizeof(GuiCurveEditPoint*), CompareGuiCurveEditPointPtr);
|
||||
GuiCurveEditorPoint* sortedPoints[GUI_CURVE_EDIT_MAX_POINTS];
|
||||
|
||||
if(state->numPoints == 0)
|
||||
return state->start;
|
||||
for (int i=0; i < state->numPoints; i++) sortedPoints[i] = &state->points[i];
|
||||
|
||||
qsort(sortedPoints, state->numPoints, sizeof(GuiCurveEditorPoint*), CompareGuiCurveEditPointPtr);
|
||||
|
||||
if (state->numPoints == 0) return state->start;
|
||||
|
||||
// Constants part on edges
|
||||
if(t <= sortedPoints[0]->position.x)
|
||||
return state->start + (state->end-state->start) * sortedPoints[0]->position.y;
|
||||
if(t >= sortedPoints[state->numPoints-1]->position.x)
|
||||
return state->start + (state->end-state->start) * sortedPoints[state->numPoints-1]->position.y;
|
||||
if (t <= sortedPoints[0]->position.x) return state->start + (state->end-state->start)*sortedPoints[0]->position.y;
|
||||
if (t >= sortedPoints[state->numPoints-1]->position.x) return state->start + (state->end-state->start)*sortedPoints[state->numPoints-1]->position.y;
|
||||
|
||||
// Find curve portion
|
||||
for(int i=0; i < state->numPoints-1; i++){
|
||||
const GuiCurveEditPoint* p1 = sortedPoints[i];
|
||||
const GuiCurveEditPoint* p2 = sortedPoints[i+1];
|
||||
for (int i=0; i < state->numPoints-1; i++)
|
||||
{
|
||||
const GuiCurveEditorPoint *p1 = sortedPoints[i];
|
||||
const GuiCurveEditorPoint *p2 = sortedPoints[i+1];
|
||||
|
||||
// Skip this range
|
||||
if(!(t >= p1->position.x && t < p2->position.x) || p1->position.x == p2->position.x)
|
||||
continue;
|
||||
if (!((t >= p1->position.x) && (t < p2->position.x)) || (p1->position.x == p2->position.x)) continue;
|
||||
|
||||
float scale = (p2->position.x-p1->position.x);
|
||||
float T = (t-p1->position.x)/scale;
|
||||
float startTangent = scale * p1->tangents.y;
|
||||
float endTangent = scale * p2->tangents.x;
|
||||
float startTangent = scale*p1->tangents.y;
|
||||
float endTangent = scale*p2->tangents.x;
|
||||
float T2 = T*T;
|
||||
float T3 = T*T*T;
|
||||
return state->start + (state->end-state->start) * ((2*T3-3*T2+1)*p1->position.y+(T3-2*T2+T)*startTangent+(3*T2-2*T3)*p2->position.y+(T3-T2)*endTangent);
|
||||
|
||||
return (state->start + (state->end-state->start)*((2*T3 - 3*T2 + 1)*p1->position.y + (T3 - 2*T2 + T)*startTangent + (3*T2 - 2*T3)*p2->position.y + (T3 - T2)*endTangent));
|
||||
}
|
||||
|
||||
return state->start;
|
||||
}
|
||||
|
||||
void GuiCurveEdit(GuiCurveEditState *state, Rectangle bounds){
|
||||
|
||||
//----------------------------------------------------------------------------------
|
||||
void GuiCurveEditor(GuiCurveEditorState *state, Rectangle bounds)
|
||||
{
|
||||
// CONST
|
||||
//----------------------------------------------------------------------------------
|
||||
const float pointSize = 10;
|
||||
const float pointSize = 10.0f;
|
||||
const float fontSize = GuiGetStyle(DEFAULT, TEXT_SIZE);
|
||||
const float handleLength = pointSize*2.5;
|
||||
const float handleLength = pointSize*2.5f;
|
||||
const float handleSize = pointSize/1.5f;
|
||||
|
||||
const Rectangle innerBounds = (Rectangle){bounds.x+fontSize, bounds.y+fontSize, bounds.width-2*fontSize, bounds.height-2*fontSize};
|
||||
const Rectangle innerBounds = (Rectangle){ bounds.x + fontSize, bounds.y + fontSize, bounds.width - 2*fontSize, bounds.height - 2*fontSize };
|
||||
const Vector2 mouse = GetMousePosition();
|
||||
const Vector2 mouseLocal = (Vector2) {(mouse.x-innerBounds.x)/innerBounds.width, (innerBounds.y+innerBounds.height-mouse.y)/innerBounds.height};
|
||||
|
||||
const Vector2 mouseLocal = (Vector2){ (mouse.x - innerBounds.x)/innerBounds.width, (innerBounds.y + innerBounds.height-mouse.y)/innerBounds.height};
|
||||
//----------------------------------------------------------------------------------
|
||||
|
||||
// UPDATE STATE
|
||||
//----------------------------------------------------------------------------------
|
||||
|
||||
// Find first point under mouse (-1 if not found)
|
||||
int hoveredPointIndex = -1;
|
||||
for(int i=0; i < state->numPoints; i++){
|
||||
const GuiCurveEditPoint* p = &state->points[i];
|
||||
const Vector2 screenPos = (Vector2){p->position.x*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-p->position.y*innerBounds.height};
|
||||
const Rectangle pointRect = (Rectangle) {screenPos.x-pointSize/2.f, screenPos.y-pointSize/2.f, pointSize, pointSize};
|
||||
if(CheckCollisionPointRec(mouse, pointRect)){
|
||||
for (int i = 0; i < state->numPoints; i++)
|
||||
{
|
||||
const GuiCurveEditorPoint *p = &state->points[i];
|
||||
const Vector2 screenPos = (Vector2){ p->position.x*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height-p->position.y*innerBounds.height };
|
||||
const Rectangle pointRect = (Rectangle){ screenPos.x - pointSize/2.0f, screenPos.y - pointSize/2.0f, pointSize, pointSize };
|
||||
|
||||
if (CheckCollisionPointRec(mouse, pointRect))
|
||||
{
|
||||
hoveredPointIndex = i;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Unselect tangents
|
||||
if(IsMouseButtonReleased(MOUSE_BUTTON_LEFT)){
|
||||
if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT))
|
||||
{
|
||||
state->editLeftTangent = false;
|
||||
state->editRightTangent = false;
|
||||
}
|
||||
|
||||
// Select a tangent if possible
|
||||
if(IsMouseButtonPressed(MOUSE_BUTTON_LEFT) && state->selectedIndex != -1 && CheckCollisionPointRec(mouse, bounds)){
|
||||
const GuiCurveEditPoint* p = &state->points[state->selectedIndex];
|
||||
const Vector2 screenPos = (Vector2){p->position.x*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-p->position.y*innerBounds.height};
|
||||
if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT) && (state->selectedIndex != -1) && CheckCollisionPointRec(mouse, bounds))
|
||||
{
|
||||
const GuiCurveEditorPoint* p = &state->points[state->selectedIndex];
|
||||
const Vector2 screenPos = (Vector2){ p->position.x*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-p->position.y*innerBounds.height };
|
||||
|
||||
// Left control
|
||||
Vector2 target = (Vector2) {(p->position.x-1)*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-(p->position.y-p->tangents.x)*innerBounds.height};
|
||||
Vector2 dir = (Vector2) {target.x-screenPos.x, target.y-screenPos.y};
|
||||
float d = sqrt(dir.x*dir.x+dir.y*dir.y);
|
||||
Vector2 control = (Vector2) {screenPos.x+dir.x/d*handleLength, screenPos.y+dir.y/d*handleLength};
|
||||
Rectangle controlRect = (Rectangle) {control.x-handleSize/2.f, control.y-handleSize/2.f, handleSize, handleSize};
|
||||
Vector2 target = (Vector2){ (p->position.x-1)*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height - (p->position.y-p->tangents.x)*innerBounds.height };
|
||||
Vector2 dir = (Vector2){ target.x-screenPos.x, target.y-screenPos.y };
|
||||
float d = sqrt(dir.x*dir.x + dir.y*dir.y);
|
||||
Vector2 control = (Vector2){ screenPos.x + dir.x/d*handleLength, screenPos.y + dir.y/d*handleLength };
|
||||
Rectangle controlRect = (Rectangle){ control.x - handleSize/2.0f, control.y - handleSize/2.0f, handleSize, handleSize };
|
||||
|
||||
// Edit left tangent
|
||||
if(CheckCollisionPointRec(mouse, controlRect)){
|
||||
state->editLeftTangent = true;
|
||||
}
|
||||
if (CheckCollisionPointRec(mouse, controlRect)) state->editLeftTangent = true;
|
||||
|
||||
// Right control
|
||||
target = (Vector2) {(p->position.x+1)*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-(p->position.y+p->tangents.y)*innerBounds.height};
|
||||
dir = (Vector2) {target.x-screenPos.x, target.y-screenPos.y};
|
||||
d = sqrt(dir.x*dir.x+dir.y*dir.y);
|
||||
control = (Vector2) {screenPos.x+dir.x/d*handleLength, screenPos.y+dir.y/d*handleLength};
|
||||
controlRect = (Rectangle) {control.x-handleSize/2.f, control.y-handleSize/2.f, handleSize, handleSize};
|
||||
// Edit right tangent
|
||||
if(CheckCollisionPointRec(mouse, controlRect)){
|
||||
state->editRightTangent = true;
|
||||
}
|
||||
}
|
||||
target = (Vector2){ (p->position.x + 1)*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height - (p->position.y + p->tangents.y)*innerBounds.height };
|
||||
dir = (Vector2){ target.x-screenPos.x, target.y-screenPos.y };
|
||||
d = sqrt(dir.x*dir.x + dir.y*dir.y);
|
||||
control = (Vector2){ screenPos.x + dir.x/d*handleLength, screenPos.y + dir.y/d*handleLength };
|
||||
controlRect = (Rectangle){ control.x - handleSize/2.0f, control.y - handleSize/2.0f, handleSize, handleSize };
|
||||
|
||||
// Edit right tangent
|
||||
if (CheckCollisionPointRec(mouse, controlRect)) state->editRightTangent = true;
|
||||
}
|
||||
|
||||
// Move tangents
|
||||
if(IsMouseButtonDown(MOUSE_BUTTON_LEFT) && state->editRightTangent){
|
||||
if (IsMouseButtonDown(MOUSE_BUTTON_LEFT) && state->editRightTangent)
|
||||
{
|
||||
// editRightTangent == true implies selectedIndex != -1
|
||||
GuiCurveEditPoint* p = &state->points[state->selectedIndex];
|
||||
const Vector2 screenPos = (Vector2){p->position.x*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-p->position.y*innerBounds.height};
|
||||
const Vector2 dir = (Vector2){mouseLocal.x-p->position.x, mouseLocal.y-p->position.y};
|
||||
GuiCurveEditorPoint *p = &state->points[state->selectedIndex];
|
||||
const Vector2 screenPos = (Vector2){ p->position.x*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height-p->position.y*innerBounds.height };
|
||||
const Vector2 dir = (Vector2){ mouseLocal.x - p->position.x, mouseLocal.y - p->position.y};
|
||||
|
||||
// Calculate right tangent slope
|
||||
p->tangents.y = dir.x < 0.001f ? dir.y/0.001f : dir.y/dir.x;
|
||||
p->tangents.y = (dir.x < 0.001f)? dir.y/0.001f : dir.y/dir.x;
|
||||
p->rightLinear = false; // Stop right linearization update
|
||||
|
||||
// Tangents are symetric by default unless SHIFT is pressed
|
||||
if(!(IsKeyDown(KEY_LEFT_SHIFT) || IsKeyDown(KEY_RIGHT_SHIFT))){
|
||||
if (!(IsKeyDown(KEY_LEFT_SHIFT) || IsKeyDown(KEY_RIGHT_SHIFT)))
|
||||
{
|
||||
p->tangents.x = p->tangents.y;
|
||||
p->leftLinear = false; // Stop left linearization update
|
||||
}
|
||||
|
||||
} else if(IsMouseButtonDown(MOUSE_BUTTON_LEFT) && state->editLeftTangent){
|
||||
}
|
||||
else if (IsMouseButtonDown(MOUSE_BUTTON_LEFT) && state->editLeftTangent)
|
||||
{
|
||||
// editLeftTangent == true implies selectedIndex != -1
|
||||
GuiCurveEditPoint* p = &state->points[state->selectedIndex];
|
||||
const Vector2 screenPos = (Vector2){p->position.x*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-p->position.y*innerBounds.height};
|
||||
const Vector2 dir = (Vector2){mouseLocal.x-p->position.x, mouseLocal.y-p->position.y};
|
||||
GuiCurveEditorPoint *p = &state->points[state->selectedIndex];
|
||||
const Vector2 screenPos = (Vector2){ p->position.x*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height-p->position.y*innerBounds.height };
|
||||
const Vector2 dir = (Vector2){ mouseLocal.x - p->position.x, mouseLocal.y - p->position.y };
|
||||
|
||||
// Calculate left tangent slope
|
||||
p->tangents.x = dir.x > -0.001f ? dir.y/(-0.001f) : dir.y/dir.x;
|
||||
p->tangents.x = (dir.x > -0.001f)? dir.y/(-0.001f) : dir.y/dir.x;
|
||||
p->leftLinear = false; // Stop left linearization update
|
||||
|
||||
// Tangents are symetric by default unless SHIFT is pressed
|
||||
if(!(IsKeyDown(KEY_LEFT_SHIFT) || IsKeyDown(KEY_RIGHT_SHIFT))){
|
||||
if (!(IsKeyDown(KEY_LEFT_SHIFT) || IsKeyDown(KEY_RIGHT_SHIFT)))
|
||||
{
|
||||
p->tangents.y = p->tangents.x;
|
||||
p->rightLinear = false; // Stop right linearization update
|
||||
}
|
||||
}
|
||||
// Select a point
|
||||
else if(IsMouseButtonPressed(MOUSE_BUTTON_LEFT) && hoveredPointIndex != -1 && CheckCollisionPointRec(mouse, bounds)){
|
||||
else if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT) && (hoveredPointIndex != -1) && CheckCollisionPointRec(mouse, bounds))
|
||||
{
|
||||
state->selectedIndex = hoveredPointIndex;
|
||||
const GuiCurveEditPoint* p = &state->points[state->selectedIndex];
|
||||
const Vector2 screenPos = (Vector2){p->position.x*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-p->position.y*innerBounds.height};
|
||||
state->mouseOffset = (Vector2) {p->position.x - mouseLocal.x, p->position.y - mouseLocal.y};
|
||||
const GuiCurveEditorPoint *p = &state->points[state->selectedIndex];
|
||||
const Vector2 screenPos = (Vector2){ p->position.x*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height - p->position.y*innerBounds.height };
|
||||
state->mouseOffset = (Vector2){ p->position.x - mouseLocal.x, p->position.y - mouseLocal.y };
|
||||
}
|
||||
// Remove a point (check against bounds)
|
||||
else if(IsMouseButtonPressed(MOUSE_BUTTON_RIGHT) && hoveredPointIndex != -1 && CheckCollisionPointRec(mouse, bounds) && state->numPoints > 1){
|
||||
else if (IsMouseButtonPressed(MOUSE_BUTTON_RIGHT) && (hoveredPointIndex != -1) && CheckCollisionPointRec(mouse, bounds) && (state->numPoints > 1))
|
||||
{
|
||||
// Deselect everything
|
||||
state->selectedIndex = 0; // select first point by default
|
||||
state->editLeftTangent = false;
|
||||
@ -299,70 +310,72 @@ void GuiCurveEdit(GuiCurveEditState *state, Rectangle bounds){
|
||||
|
||||
// Remove point
|
||||
state->numPoints -= 1;
|
||||
for(int i=hoveredPointIndex; i < state->numPoints; i++ ){
|
||||
state->points[i] = state->points[i+1];
|
||||
for (int i = hoveredPointIndex; i < state->numPoints; i++) state->points[i] = state->points[i+1];
|
||||
}
|
||||
|
||||
// Add a point (check against innerBounds)
|
||||
} else if(IsMouseButtonPressed(MOUSE_BUTTON_LEFT) && CheckCollisionPointRec(mouse, innerBounds) && state->numPoints < GUI_CURVE_EDIT_MAX_POINTS){
|
||||
else if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT) && CheckCollisionPointRec(mouse, innerBounds) && (state->numPoints < GUI_CURVE_EDIT_MAX_POINTS))
|
||||
{
|
||||
state->editLeftTangent = false;
|
||||
state->editRightTangent = false;
|
||||
|
||||
// Create new point
|
||||
GuiCurveEditPoint p;
|
||||
p.tangents = (Vector2) {0.f, 0.f};
|
||||
GuiCurveEditorPoint p;
|
||||
p.tangents = (Vector2){ 0.0f, 0.0f };
|
||||
p.position = mouseLocal;
|
||||
p.leftLinear = false;
|
||||
p.rightLinear = false;
|
||||
|
||||
// Append point
|
||||
state->points[state->numPoints] = p;
|
||||
state->selectedIndex = state->numPoints; // select new point
|
||||
state->numPoints += 1;
|
||||
// Point is add on mouse pos
|
||||
state->mouseOffset = (Vector2) {0,0};
|
||||
|
||||
// Point is add on mouse pos
|
||||
state->mouseOffset = (Vector2){ 0, 0 };
|
||||
}
|
||||
// Move selected point
|
||||
} else if(state->selectedIndex != -1 && IsMouseButtonDown(MOUSE_BUTTON_LEFT) && CheckCollisionPointRec(mouse, bounds) ){
|
||||
GuiCurveEditPoint* p = &state->points[state->selectedIndex];
|
||||
else if ((state->selectedIndex != -1) && IsMouseButtonDown(MOUSE_BUTTON_LEFT) && CheckCollisionPointRec(mouse, bounds))
|
||||
{
|
||||
GuiCurveEditorPoint *p = &state->points[state->selectedIndex];
|
||||
|
||||
// use mouse offset on click to prevent point teleporting to mouse
|
||||
const Vector2 newLocalPos = (Vector2){mouseLocal.x + state->mouseOffset.x, mouseLocal.y + state->mouseOffset.y};
|
||||
const Vector2 newLocalPos = (Vector2){ mouseLocal.x + state->mouseOffset.x, mouseLocal.y + state->mouseOffset.y };
|
||||
|
||||
// Clamp to innerbounds
|
||||
p->position.x = newLocalPos.x < 0 ? 0 : newLocalPos.x > 1 ? 1 : newLocalPos.x;
|
||||
p->position.y = newLocalPos.y < 0 ? 0 : newLocalPos.y > 1 ? 1 : newLocalPos.y;
|
||||
p->position.x = (newLocalPos.x < 0)? 0 : ((newLocalPos.x > 1)? 1 : newLocalPos.x);
|
||||
p->position.y = (newLocalPos.y < 0)? 0 : ((newLocalPos.y > 1)? 1 : newLocalPos.y);
|
||||
}
|
||||
|
||||
// Sort points
|
||||
GuiCurveEditPoint* sortedPoints[GUI_CURVE_EDIT_MAX_POINTS];
|
||||
for(int i=0; i < state->numPoints; i++){
|
||||
sortedPoints[i] = &state->points[i];
|
||||
}
|
||||
qsort(sortedPoints, state->numPoints, sizeof(GuiCurveEditPoint*), CompareGuiCurveEditPointPtr);
|
||||
|
||||
GuiCurveEditorPoint *sortedPoints[GUI_CURVE_EDIT_MAX_POINTS] = { 0 };
|
||||
for (int i = 0; i < state->numPoints; i++) sortedPoints[i] = &state->points[i];
|
||||
qsort(sortedPoints, state->numPoints, sizeof(GuiCurveEditorPoint*), CompareGuiCurveEditPointPtr);
|
||||
|
||||
// Update linear tangents
|
||||
for(int i=0; i < state->numPoints; i++){
|
||||
GuiCurveEditPoint* p = sortedPoints[i];
|
||||
for (int i = 0; i < state->numPoints; i++)
|
||||
{
|
||||
GuiCurveEditorPoint *p = sortedPoints[i];
|
||||
|
||||
// Left tangent
|
||||
if(i > 0 && p->leftLinear){
|
||||
const GuiCurveEditPoint* p2 = sortedPoints[i-1];
|
||||
Vector2 dir = (Vector2) {p2->position.x-p->position.x, p2->position.y-p->position.y};
|
||||
p->tangents.x = dir.x == 0 ? 0 : dir.y/dir.x;
|
||||
}
|
||||
// Right tangent
|
||||
if(i < state->numPoints-1 && p->rightLinear){
|
||||
const GuiCurveEditPoint* p2 = sortedPoints[i+1];
|
||||
Vector2 dir = (Vector2) {p2->position.x-p->position.x, p2->position.y-p->position.y};
|
||||
p->tangents.y = dir.x == 0 ? 0 : dir.y/dir.x;
|
||||
}
|
||||
if ((i > 0) && p->leftLinear)
|
||||
{
|
||||
const GuiCurveEditorPoint *p2 = sortedPoints[i - 1];
|
||||
Vector2 dir = (Vector2){ p2->position.x - p->position.x, p2->position.y - p->position.y };
|
||||
p->tangents.x = (dir.x == 0)? 0 : dir.y/dir.x;
|
||||
}
|
||||
|
||||
// Right tangent
|
||||
if ((i < state->numPoints - 1) && p->rightLinear)
|
||||
{
|
||||
const GuiCurveEditorPoint *p2 = sortedPoints[i + 1];
|
||||
Vector2 dir = (Vector2){ p2->position.x - p->position.x, p2->position.y - p->position.y };
|
||||
p->tangents.y = (dir.x == 0)? 0 : dir.y/dir.x;
|
||||
}
|
||||
}
|
||||
//----------------------------------------------------------------------------------
|
||||
|
||||
// DRAWING
|
||||
//----------------------------------------------------------------------------------
|
||||
|
||||
// Draw bg
|
||||
DrawRectangle(bounds.x, bounds.y, bounds.width, bounds.height, GetColor(GuiGetStyle(DEFAULT, BACKGROUND_COLOR)));
|
||||
|
||||
// Draw grid
|
||||
@ -374,88 +387,103 @@ void GuiCurveEdit(GuiCurveEditState *state, Rectangle bounds){
|
||||
|
||||
// V lines
|
||||
DrawLine(innerBounds.x, bounds.y, innerBounds.x, bounds.y+bounds.height, lineColor); // 0
|
||||
DrawLine(innerBounds.x+innerBounds.width/4, bounds.y, innerBounds.x+innerBounds.width/4, bounds.y+bounds.height, lineColor); // 0.25
|
||||
DrawLine(innerBounds.x+innerBounds.width/2, bounds.y, innerBounds.x+innerBounds.width/2, bounds.y+bounds.height, lineColor); // 0.5
|
||||
DrawLine(innerBounds.x+3*innerBounds.width/4, bounds.y, innerBounds.x+3*innerBounds.width/4, bounds.y+bounds.height, lineColor); // 0.75
|
||||
DrawLine(innerBounds.x+innerBounds.width, bounds.y, innerBounds.x+innerBounds.width, bounds.y+bounds.height, lineColor); // 1
|
||||
DrawLine(innerBounds.x + innerBounds.width/4, bounds.y, innerBounds.x + innerBounds.width/4, bounds.y + bounds.height, lineColor); // 0.25
|
||||
DrawLine(innerBounds.x + innerBounds.width/2, bounds.y, innerBounds.x + innerBounds.width/2, bounds.y + bounds.height, lineColor); // 0.5
|
||||
DrawLine(innerBounds.x + 3*innerBounds.width/4, bounds.y, innerBounds.x + 3*innerBounds.width/4, bounds.y + bounds.height, lineColor); // 0.75
|
||||
DrawLine(innerBounds.x + innerBounds.width, bounds.y, innerBounds.x + innerBounds.width, bounds.y + bounds.height, lineColor); // 1
|
||||
|
||||
Font font = GuiGetFont();
|
||||
// V labels
|
||||
DrawTextEx(font, "0", (Vector2) {innerBounds.x, bounds.y+bounds.height-fontSize}, fontSize,GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, "0.25", (Vector2) {innerBounds.x+innerBounds.width/4.f, bounds.y+bounds.height-fontSize}, fontSize,GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, "0.5", (Vector2) {innerBounds.x+innerBounds.width/2.f, bounds.y+bounds.height-fontSize}, fontSize,GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, "0.75", (Vector2) {innerBounds.x+3.f*innerBounds.width/4.f, bounds.y+bounds.height-fontSize}, fontSize,GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, "1", (Vector2) {innerBounds.x+innerBounds.width, bounds.y+bounds.height-fontSize}, fontSize,GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, "0", (Vector2){ innerBounds.x, bounds.y + bounds.height-fontSize}, fontSize, GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, "0.25", (Vector2){ innerBounds.x + innerBounds.width/4.0f, bounds.y + bounds.height - fontSize}, fontSize, GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, "0.5", (Vector2){ innerBounds.x + innerBounds.width/2.0f, bounds.y + bounds.height - fontSize}, fontSize, GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, "0.75", (Vector2){ innerBounds.x + 3.0f*innerBounds.width/4.0f, bounds.y + bounds.height-fontSize}, fontSize, GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, "1", (Vector2){ innerBounds.x + innerBounds.width, bounds.y+bounds.height - fontSize}, fontSize, GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
|
||||
// H labels
|
||||
DrawTextEx(font, TextFormat("%.2f", state->start), (Vector2) {innerBounds.x, innerBounds.y-fontSize+innerBounds.height}, fontSize, GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, TextFormat("%.2f", state->start + (state->end-state->start)/2.f), (Vector2) {innerBounds.x, innerBounds.y-fontSize+innerBounds.height/2.f}, fontSize, GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, TextFormat("%.2f", state->end), (Vector2) {innerBounds.x, innerBounds.y}, fontSize, GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, TextFormat("%.2f", state->start), (Vector2){ innerBounds.x, innerBounds.y - fontSize+innerBounds.height }, fontSize, GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, TextFormat("%.2f", state->start + (state->end-state->start)/2.f), (Vector2){ innerBounds.x, innerBounds.y - fontSize + innerBounds.height/2.0f }, fontSize, GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
DrawTextEx(font, TextFormat("%.2f", state->end), (Vector2){ innerBounds.x, innerBounds.y }, fontSize, GuiGetStyle(DEFAULT, TEXT_SPACING), lineColor);
|
||||
|
||||
// Draw contours
|
||||
if(CheckCollisionPointRec(mouse, bounds))
|
||||
DrawRectangleLines(bounds.x, bounds.y, bounds.width, bounds.height, GetColor(GuiGetStyle(DEFAULT, BORDER_COLOR_FOCUSED)));
|
||||
else
|
||||
DrawRectangleLines(bounds.x, bounds.y, bounds.width, bounds.height, GetColor(GuiGetStyle(DEFAULT, BORDER_COLOR_NORMAL)));
|
||||
if (CheckCollisionPointRec(mouse, bounds)) DrawRectangleLines(bounds.x, bounds.y, bounds.width, bounds.height, GetColor(GuiGetStyle(DEFAULT, BORDER_COLOR_FOCUSED)));
|
||||
else DrawRectangleLines(bounds.x, bounds.y, bounds.width, bounds.height, GetColor(GuiGetStyle(DEFAULT, BORDER_COLOR_NORMAL)));
|
||||
|
||||
// Draw points
|
||||
for(int i=0; i < state->numPoints; i++){
|
||||
for (int i = 0; i < state->numPoints; i++)
|
||||
{
|
||||
const GuiCurveEditorPoint *p = sortedPoints[i];
|
||||
|
||||
const GuiCurveEditPoint* p = sortedPoints[i];
|
||||
const Vector2 screenPos = (Vector2){ p->position.x*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height - p->position.y*innerBounds.height };
|
||||
const Rectangle pointRect = (Rectangle){ screenPos.x - pointSize/2.0f, screenPos.y - pointSize/2.0f, pointSize, pointSize };
|
||||
|
||||
const Vector2 screenPos = (Vector2){p->position.x*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-p->position.y*innerBounds.height};
|
||||
const Rectangle pointRect = (Rectangle) {screenPos.x-pointSize/2.f, screenPos.y-pointSize/2.f, pointSize, pointSize};
|
||||
|
||||
Color pointColor;
|
||||
Color pointBorderColor;
|
||||
Color pointColor = { 0 };
|
||||
Color pointBorderColor = { 0 };
|
||||
|
||||
// Draw point
|
||||
if(&state->points[state->selectedIndex] == p){
|
||||
|
||||
if (&state->points[state->selectedIndex] == p)
|
||||
{
|
||||
// Draw left handle
|
||||
if(i > 0){
|
||||
const Vector2 target = (Vector2) {(p->position.x-1)*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-(p->position.y-p->tangents.x)*innerBounds.height};
|
||||
const Vector2 dir = (Vector2) {target.x-screenPos.x, target.y-screenPos.y};
|
||||
const float d = sqrt(dir.x*dir.x+dir.y*dir.y);
|
||||
const Vector2 control = (Vector2) {screenPos.x+dir.x/d*handleLength, screenPos.y+dir.y/d*handleLength};
|
||||
const Rectangle controlRect = (Rectangle) {control.x-handleSize/2.f, control.y-handleSize/2.f, handleSize, handleSize};
|
||||
if (i > 0)
|
||||
{
|
||||
const Vector2 target = (Vector2){ (p->position.x - 1)*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height - (p->position.y - p->tangents.x)*innerBounds.height };
|
||||
const Vector2 dir = (Vector2){ target.x - screenPos.x, target.y - screenPos.y };
|
||||
const float d = sqrt(dir.x*dir.x + dir.y*dir.y);
|
||||
const Vector2 control = (Vector2){ screenPos.x + dir.x/d*handleLength, screenPos.y + dir.y/d*handleLength };
|
||||
const Rectangle controlRect = (Rectangle){ control.x - handleSize/2.0f, control.y - handleSize/2.0f, handleSize, handleSize };
|
||||
|
||||
Color controlColor;
|
||||
Color controlBorderColor;
|
||||
if(state->editLeftTangent){
|
||||
Color controlColor = { 0 };
|
||||
Color controlBorderColor = { 0 };
|
||||
|
||||
if (state->editLeftTangent)
|
||||
{
|
||||
controlColor = GetColor(GuiGetStyle(DEFAULT, BASE_COLOR_PRESSED));
|
||||
controlBorderColor = GetColor(GuiGetStyle(DEFAULT, BORDER_COLOR_NORMAL));
|
||||
} else if(CheckCollisionPointRec(mouse, controlRect)){
|
||||
}
|
||||
else if (CheckCollisionPointRec(mouse, controlRect))
|
||||
{
|
||||
controlColor = GetColor(GuiGetStyle(DEFAULT, BASE_COLOR_FOCUSED));
|
||||
controlBorderColor = GetColor(GuiGetStyle(DEFAULT, BORDER_COLOR_NORMAL));
|
||||
}else{
|
||||
}
|
||||
else
|
||||
{
|
||||
controlColor = GetColor(GuiGetStyle(BUTTON, BASE_COLOR_NORMAL));
|
||||
controlBorderColor = GetColor(GuiGetStyle(BUTTON, BORDER_COLOR_NORMAL));
|
||||
}
|
||||
|
||||
DrawLine(screenPos.x,screenPos.y, control.x, control.y, controlColor);
|
||||
DrawRectangle(controlRect.x, controlRect.y, controlRect.width, controlRect.height, controlColor);
|
||||
DrawRectangleLines(controlRect.x, controlRect.y, controlRect.width, controlRect.height, controlColor);
|
||||
}
|
||||
// Draw right handle
|
||||
if(i < state->numPoints-1){
|
||||
const Vector2 target = (Vector2) {(p->position.x+1)*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-(p->position.y+p->tangents.y)*innerBounds.height};
|
||||
const Vector2 dir = (Vector2) {target.x-screenPos.x, target.y-screenPos.y};
|
||||
const float d = sqrt(dir.x*dir.x+dir.y*dir.y);
|
||||
const Vector2 control = (Vector2) {screenPos.x+dir.x/d*handleLength, screenPos.y+dir.y/d*handleLength};
|
||||
const Rectangle controlRect = (Rectangle) {control.x-handleSize/2.f, control.y-handleSize/2.f, handleSize, handleSize};
|
||||
|
||||
Color controlColor;
|
||||
Color controlBorderColor;
|
||||
if(state->editRightTangent){
|
||||
// Draw right handle
|
||||
if (i < state->numPoints - 1)
|
||||
{
|
||||
const Vector2 target = (Vector2){ (p->position.x + 1)*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height - (p->position.y + p->tangents.y)*innerBounds.height };
|
||||
const Vector2 dir = (Vector2){ target.x - screenPos.x, target.y - screenPos.y };
|
||||
const float d = sqrt(dir.x*dir.x + dir.y*dir.y);
|
||||
const Vector2 control = (Vector2){ screenPos.x + dir.x/d*handleLength, screenPos.y + dir.y/d*handleLength };
|
||||
const Rectangle controlRect = (Rectangle){ control.x - handleSize/2.0f, control.y - handleSize/2.0f, handleSize, handleSize };
|
||||
|
||||
Color controlColor = { 0 };
|
||||
Color controlBorderColor = { 0 };
|
||||
|
||||
if (state->editRightTangent)
|
||||
{
|
||||
controlColor = GetColor(GuiGetStyle(DEFAULT, BASE_COLOR_PRESSED));
|
||||
controlBorderColor = GetColor(GuiGetStyle(DEFAULT, BORDER_COLOR_NORMAL));
|
||||
} else if(CheckCollisionPointRec(mouse, controlRect)){
|
||||
}
|
||||
else if (CheckCollisionPointRec(mouse, controlRect))
|
||||
{
|
||||
controlColor = GetColor(GuiGetStyle(DEFAULT, BASE_COLOR_FOCUSED));
|
||||
controlBorderColor = GetColor(GuiGetStyle(DEFAULT, BORDER_COLOR_NORMAL));
|
||||
}else{
|
||||
}
|
||||
else
|
||||
{
|
||||
controlColor = GetColor(GuiGetStyle(BUTTON, BASE_COLOR_NORMAL));
|
||||
controlBorderColor = GetColor(GuiGetStyle(BUTTON, BORDER_COLOR_NORMAL));
|
||||
}
|
||||
|
||||
DrawLine(screenPos.x,screenPos.y, control.x, control.y, controlColor);
|
||||
DrawRectangle(controlRect.x, controlRect.y, controlRect.width, controlRect.height, controlColor);
|
||||
DrawRectangleLines(controlRect.x, controlRect.y, controlRect.width, controlRect.height, controlColor);
|
||||
@ -464,49 +492,61 @@ void GuiCurveEdit(GuiCurveEditState *state, Rectangle bounds){
|
||||
pointColor = GetColor(GuiGetStyle(DEFAULT, BASE_COLOR_PRESSED));
|
||||
pointBorderColor = GetColor(GuiGetStyle(DEFAULT, BORDER_COLOR_NORMAL));
|
||||
|
||||
} else if(&state->points[hoveredPointIndex] == p) {
|
||||
}
|
||||
else if (&state->points[hoveredPointIndex] == p)
|
||||
{
|
||||
pointColor = GetColor(GuiGetStyle(DEFAULT, BASE_COLOR_FOCUSED));
|
||||
pointBorderColor = GetColor(GuiGetStyle(DEFAULT, BORDER_COLOR_NORMAL));
|
||||
} else {
|
||||
}
|
||||
else
|
||||
{
|
||||
pointColor = GetColor(GuiGetStyle(BUTTON, BASE_COLOR_NORMAL));
|
||||
pointBorderColor = GetColor(GuiGetStyle(BUTTON, BORDER_COLOR_NORMAL));
|
||||
}
|
||||
|
||||
DrawRectangle(pointRect.x, pointRect.y, pointRect.width, pointRect.height, pointColor);
|
||||
DrawRectangleLines(pointRect.x, pointRect.y, pointRect.width, pointRect.height, pointBorderColor);
|
||||
|
||||
}
|
||||
|
||||
// Draw curve
|
||||
Color curveColor = GetColor(GuiGetStyle(LABEL, TEXT_COLOR_FOCUSED));
|
||||
if(state->numPoints == 1){
|
||||
const GuiCurveEditPoint* p = sortedPoints[0];
|
||||
const Vector2 screenPos = (Vector2){p->position.x*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-p->position.y*innerBounds.height};
|
||||
|
||||
if (state->numPoints == 1)
|
||||
{
|
||||
const GuiCurveEditorPoint *p = sortedPoints[0];
|
||||
const Vector2 screenPos = (Vector2){ p->position.x*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height - p->position.y*innerBounds.height };
|
||||
DrawLine(innerBounds.x, screenPos.y, innerBounds.x+innerBounds.width, screenPos.y, curveColor);
|
||||
}else {
|
||||
for(int i=0; i < state->numPoints-1; i++){
|
||||
const GuiCurveEditPoint* p1 = sortedPoints[i];
|
||||
const GuiCurveEditPoint* p2 = sortedPoints[i+1];
|
||||
const Vector2 screenPos1 = (Vector2){p1->position.x*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-p1->position.y*innerBounds.height};
|
||||
const Vector2 screenPos2 = (Vector2){p2->position.x*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-p2->position.y*innerBounds.height};
|
||||
}
|
||||
else
|
||||
{
|
||||
for (int i = 0; i < state->numPoints - 1; i++)
|
||||
{
|
||||
const GuiCurveEditorPoint *p1 = sortedPoints[i];
|
||||
const GuiCurveEditorPoint *p2 = sortedPoints[i + 1];
|
||||
const Vector2 screenPos1 = (Vector2){ p1->position.x*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height - p1->position.y*innerBounds.height };
|
||||
const Vector2 screenPos2 = (Vector2){ p2->position.x*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height - p2->position.y*innerBounds.height };
|
||||
|
||||
// Constant on edge
|
||||
if(screenPos1.x > innerBounds.x && i == 0){
|
||||
if ((screenPos1.x > innerBounds.x) && (i == 0))
|
||||
{
|
||||
DrawLine(innerBounds.x, screenPos1.y, screenPos1.x, screenPos1.y, curveColor);
|
||||
}
|
||||
if(screenPos2.x < innerBounds.x+innerBounds.width && i == (state->numPoints-2)){
|
||||
if ((screenPos2.x < innerBounds.x + innerBounds.width) && (i == (state->numPoints - 2)))
|
||||
{
|
||||
DrawLine(screenPos2.x, screenPos2.y, innerBounds.x+innerBounds.width, screenPos2.y, curveColor);
|
||||
}
|
||||
|
||||
// Draw cubic Hermite curve
|
||||
const float scale = (p2->position.x-p1->position.x)/3.f;
|
||||
const Vector2 offset1 = (Vector2) {scale, scale*p1->tangents.y};
|
||||
const float scale = (p2->position.x - p1->position.x)/3.0f;
|
||||
const Vector2 offset1 = (Vector2){ scale, scale*p1->tangents.y };
|
||||
// negative endTangent => top part => need to invert value to calculate offset
|
||||
const Vector2 offset2 = (Vector2) {-scale, -scale*p2->tangents.x};
|
||||
const Vector2 offset2 = (Vector2){ -scale, -scale*p2->tangents.x };
|
||||
|
||||
const Vector2 c1 = (Vector2) {p1->position.x+offset1.x, p1->position.y+offset1.y};
|
||||
const Vector2 c2 = (Vector2) {p2->position.x+offset2.x, p2->position.y+offset2.y};
|
||||
const Vector2 c1 = (Vector2){ p1->position.x + offset1.x, p1->position.y + offset1.y };
|
||||
const Vector2 c2 = (Vector2){ p2->position.x + offset2.x, p2->position.y + offset2.y };
|
||||
|
||||
const Vector2 screenC1 = (Vector2) {c1.x*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-c1.y*innerBounds.height};
|
||||
const Vector2 screenC2 = (Vector2) {c2.x*innerBounds.width+innerBounds.x, innerBounds.y+innerBounds.height-c2.y*innerBounds.height};
|
||||
const Vector2 screenC1 = (Vector2){ c1.x*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height - c1.y*innerBounds.height };
|
||||
const Vector2 screenC2 = (Vector2){ c2.x*innerBounds.width + innerBounds.x, innerBounds.y + innerBounds.height - c2.y*innerBounds.height };
|
||||
|
||||
DrawLineBezierCubic(screenPos1, screenPos2, screenC1, screenC2, 1, curveColor);
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user