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Monjaris 2026-04-13 20:39:13 +04:00
parent c9280cbd99
commit ee8e100235
2 changed files with 6 additions and 8 deletions
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14
examples/shapes/shapes_collision_ellipses.c
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@ -15,8 +15,8 @@
// Check if point is inside ellipse // Check if point is inside ellipse
static bool CheckCollisionPointEllipse(Vector2 point, Vector2 center, float rx, float ry) static bool CheckCollisionPointEllipse(Vector2 point, Vector2 center, float rx, float ry)
{ {
float dx = (point.x - center.x) / rx; float dx = (point.x - center.x)/rx;
float dy = (point.y - center.y) / ry; float dy = (point.y - center.y)/ry;
return (dx*dx + dy*dy) <= 1.0f; return (dx*dx + dy*dy) <= 1.0f;
} }
@ -37,8 +37,8 @@ static bool CheckCollisionEllipses(Vector2 c1, float rx1, float ry1, Vector2 c2,
// Radial distance from center to ellipse boundary in direction theta // Radial distance from center to ellipse boundary in direction theta
// r(theta) = (rx * ry) / sqrt((ry*cos)^2 + (rx*sin)^2) // r(theta) = (rx * ry) / sqrt((ry*cos)^2 + (rx*sin)^2)
float r1 = (rx1 * ry1) / sqrtf((ry1*cosT)*(ry1*cosT) + (rx1*sinT)*(rx1*sinT)); float r1 = (rx1*ry1)/sqrtf((ry1*cosT)*(ry1*cosT) + (rx1*sinT)*(rx1*sinT));
float r2 = (rx2 * ry2) / sqrtf((ry2*cosT)*(ry2*cosT) + (rx2*sinT)*(rx2*sinT)); float r2 = (rx2*ry2)/sqrtf((ry2*cosT)*(ry2*cosT) + (rx2*sinT)*(rx2*sinT));
return dist <= (r1 + r2); return dist <= (r1 + r2);
} }
@ -70,7 +70,7 @@ int main(void)
//-------------------------------------------------------------------------------------- //--------------------------------------------------------------------------------------
// Main game loop // Main game loop
while (!WindowShouldClose()) while (!WindowShouldClose()) // Detect window close button or ESC key
{ {
// Update // Update
//---------------------------------------------------------------------------------- //----------------------------------------------------------------------------------
@ -109,9 +109,7 @@ int main(void)
if (ellipsesCollide) DrawText("ELLIPSES COLLIDE", screenWidth/2 - 120, 40, 28, RED); if (ellipsesCollide) DrawText("ELLIPSES COLLIDE", screenWidth/2 - 120, 40, 28, RED);
else DrawText("NO COLLISION", screenWidth/2 - 80, 40, 28, DARKGRAY); else DrawText("NO COLLISION", screenWidth/2 - 80, 40, 28, DARKGRAY);
// Controlled ellipse indicator DrawText(controlled == 0 ? "Controlling: A" : "Controlling: B", 20, screenHeight - 40, 20, YELLOW);
DrawText(controlled == 0 ? "Controlling: A" : "Controlling: B",
20, screenHeight - 40, 20, YELLOW);
if (mouseInA && controlled != 0) DrawText("Mouse inside ellipse A", 20, screenHeight - 70, 20, BLUE); if (mouseInA && controlled != 0) DrawText("Mouse inside ellipse A", 20, screenHeight - 70, 20, BLUE);
if (mouseInB && controlled != 1) DrawText("Mouse inside ellipse B", 20, screenHeight - 70, 20, GREEN); if (mouseInB && controlled != 1) DrawText("Mouse inside ellipse B", 20, screenHeight - 70, 20, GREEN);

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examples/shapes/shapes_collision_ellipses.png
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