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Updated examples

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This commit is contained in:
Ray 2023-11-09 09:53:25 +01:00
parent c69b89cc42
commit 21dc42d2ad
3 changed files with 27 additions and 26 deletions
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41
examples/shapes/shapes_lines_bezier.c
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@ -26,11 +26,10 @@ int main(void)
SetConfigFlags(FLAG_MSAA_4X_HINT);
InitWindow(screenWidth, screenHeight, "raylib [shapes] example - cubic-bezier lines");
Vector2 start = { 0, 0 };
Vector2 end = { (float)screenWidth, (float)screenHeight };
Vector2 startControl = { 100, 0 };
Vector2 endControl = { GetScreenWidth() - 100, GetScreenHeight() };
Vector2 startPoint = { 30, 30 };
Vector2 endPoint = { (float)screenWidth - 30, (float)screenHeight - 30 };
bool moveStartPoint = false;
bool moveEndPoint = false;
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
@ -40,15 +39,21 @@ int main(void)
{
// Update
//----------------------------------------------------------------------------------
if (IsKeyDown(KEY_LEFT_CONTROL))
Vector2 mouse = GetMousePosition();
if (CheckCollisionPointCircle(mouse, startPoint, 10.0f) && IsMouseButtonDown(MOUSE_BUTTON_LEFT)) moveStartPoint = true;
else if (CheckCollisionPointCircle(mouse, endPoint, 10.0f) && IsMouseButtonDown(MOUSE_BUTTON_LEFT)) moveEndPoint = true;
if (moveStartPoint)
{
if (IsMouseButtonDown(MOUSE_BUTTON_LEFT)) startControl = GetMousePosition();
else if (IsMouseButtonDown(MOUSE_BUTTON_RIGHT)) endControl = GetMousePosition();
startPoint = mouse;
if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT)) moveStartPoint = false;
}
else
if (moveEndPoint)
{
if (IsMouseButtonDown(MOUSE_BUTTON_LEFT)) start = GetMousePosition();
else if (IsMouseButtonDown(MOUSE_BUTTON_RIGHT)) end = GetMousePosition();
endPoint = mouse;
if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT)) moveEndPoint = false;
}
//----------------------------------------------------------------------------------
@ -58,18 +63,14 @@ int main(void)
ClearBackground(RAYWHITE);
DrawText("USE MOUSE LEFT-RIGHT CLICK to DEFINE LINE START and END POINTS", 15, 20, 20, GRAY);
DrawText("MOVE START-END POINTS WITH MOUSE", 15, 20, 20, GRAY);
// Draw line Cubic Bezier, in-out interpolation (easing), no control points
DrawLineBezier(start, end, 3.0f, BLUE);
DrawLineBezier(startPoint, endPoint, 4.0f, BLUE);
// Draw spline Cubic Bezier with control points
DrawSplineSegmentBezierCubic(start, startControl, endControl, end, 2.0f, RED);
DrawLineEx(start, startControl, 1.0, LIGHTGRAY);
DrawLineEx(end, endControl, 1.0, LIGHTGRAY);
DrawCircleV(startControl, 10, RED);
DrawCircleV(endControl, 10, RED);
// Draw start-end spline circles with some details
DrawCircleV(startPoint, CheckCollisionPointCircle(mouse, startPoint, 10.0f)? 14 : 8, moveStartPoint? RED : BLUE);
DrawCircleV(endPoint, CheckCollisionPointCircle(mouse, endPoint, 10.0f)? 14 : 8, moveEndPoint? RED : BLUE);
EndDrawing();
//----------------------------------------------------------------------------------