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Fix triangle strip array size and simplify loop #5280

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merged 1 commit into from
Oct 17, 2025
Merged

Fix triangle strip array size and simplify loop #5280

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25 changes: 15 additions & 10 deletions examples/shapes/shapes_triangle_strip.c
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ int main(void)

InitWindow(screenWidth, screenHeight, "raylib [shapes] example - triangle strip");

Vector2 points[120] = { 0 };
Vector2 points[122] = { 0 };
Vector2 center = { (screenWidth/2.0f) - 125.f, screenHeight/2.0f };
float segments = 6.0f;
float insideRadius = 100.0f;
Expand Down Expand Up @@ -69,17 +69,22 @@ int main(void)

ClearBackground(RAYWHITE);

for (int i = 0, i2 = 0; i < pointCount; i++, i2 += 2)
for (int i = 0; i < pointCount; i++)
{
Vector2 a = points[i*2];
Vector2 b = points[i*2 + 1];
Vector2 c = points[i*2 + 2];
Vector2 d = points[i*2 + 3];

float angle1 = i*angleStep;
Color color = ColorFromHSV(angle1*RAD2DEG, 1.0f, 1.0f);
DrawTriangle(points[i2 + 2], points[i2 + 1], points[i2], color);
if (outline) DrawTriangleLines(points[i2], points[i2 + 1], points[i2 + 2], BLACK);

float angle2 = angle1 + angleStep/2.0f;
color = ColorFromHSV(angle2*RAD2DEG, 1.0f, 1.0f);
DrawTriangle(points[i2 + 3], points[i2 + 1], points[i2 + 2], color);
if (outline) DrawTriangleLines(points[i2 + 2], points[i2 + 1], points[i2 + 3], BLACK);
DrawTriangle(c, b, a, ColorFromHSV(angle1*RAD2DEG, 1.0f, 1.0f));
DrawTriangle(d, b, c, ColorFromHSV((angle1 + angleStep/2)*RAD2DEG, 1.0f, 1.0f));

if (outline)
{
DrawTriangleLines(a, b, c, BLACK);
DrawTriangleLines(c, b, d, BLACK);
}
}

DrawLine(580, 0, 580, GetScreenHeight(), (Color){ 218, 218, 218, 255 });
Expand Down
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