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Merge pull request #4963 from meowstr/master

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[rshapes] Add DrawEllipseV and DrawEllipseLinesV
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Ray 2025-05-31 20:41:37 +02:00 • committed by GitHub
commit 20c0c92bdb
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3 changed files with 21 additions and 5 deletions
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2
examples/shapes/shapes_basic_shapes.c
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@ -52,6 +52,8 @@ int main(void)
DrawCircle(screenWidth/5, 120, 35, DARKBLUE);
DrawCircleGradient(screenWidth/5, 220, 60, GREEN, SKYBLUE);
DrawCircleLines(screenWidth/5, 340, 80, DARKBLUE);
DrawEllipse(screenWidth/5, 120, 25, 20, YELLOW);
DrawEllipseLines(screenWidth/5, 120, 30, 25, YELLOW);
// Rectangle shapes and lines
DrawRectangle(screenWidth/4*2 - 60, 100, 120, 60, RED);

2
src/raylib.h
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@ -1264,7 +1264,9 @@ RLAPI void DrawCircleV(Vector2 center, float radius, Color color);
RLAPI void DrawCircleLines(int centerX, int centerY, float radius, Color color); // Draw circle outline
RLAPI void DrawCircleLinesV(Vector2 center, float radius, Color color); // Draw circle outline (Vector version)
RLAPI void DrawEllipse(int centerX, int centerY, float radiusH, float radiusV, Color color); // Draw ellipse
RLAPI void DrawEllipseV(Vector2 center, float radiusH, float radiusV, Color color); // Draw ellipse (Vector version)
RLAPI void DrawEllipseLines(int centerX, int centerY, float radiusH, float radiusV, Color color); // Draw ellipse outline
RLAPI void DrawEllipseLinesV(Vector2 center, float radiusH, float radiusV, Color color); // Draw ellipse outline (Vector version)
RLAPI void DrawRing(Vector2 center, float innerRadius, float outerRadius, float startAngle, float endAngle, int segments, Color color); // Draw ring
RLAPI void DrawRingLines(Vector2 center, float innerRadius, float outerRadius, float startAngle, float endAngle, int segments, Color color); // Draw ring outline
RLAPI void DrawRectangle(int posX, int posY, int width, int height, Color color); // Draw a color-filled rectangle

22
src/rshapes.c
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@ -470,27 +470,39 @@ void DrawCircleLinesV(Vector2 center, float radius, Color color)
// Draw ellipse
void DrawEllipse(int centerX, int centerY, float radiusH, float radiusV, Color color)
{
DrawEllipseV((Vector2){ (float)centerX, (float)centerY }, radiusH, radiusV, color);
}
// Draw ellipse (Vector version)
void DrawEllipseV(Vector2 center, float radiusH, float radiusV, Color color)
{
rlBegin(RL_TRIANGLES);
for (int i = 0; i < 360; i += 10)
{
rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2f((float)centerX, (float)centerY);
rlVertex2f((float)centerX + cosf(DEG2RAD*(i + 10))*radiusH, (float)centerY + sinf(DEG2RAD*(i + 10))*radiusV);
rlVertex2f((float)centerX + cosf(DEG2RAD*i)*radiusH, (float)centerY + sinf(DEG2RAD*i)*radiusV);
rlVertex2f(center.x, center.y);
rlVertex2f(center.x + cosf(DEG2RAD*(i + 10))*radiusH, center.y + sinf(DEG2RAD*(i + 10))*radiusV);
rlVertex2f(center.x + cosf(DEG2RAD*i)*radiusH, center.y + sinf(DEG2RAD*i)*radiusV);
}
rlEnd();
}
// Draw ellipse outline
void DrawEllipseLines(int centerX, int centerY, float radiusH, float radiusV, Color color)
{
DrawEllipseLinesV((Vector2){ (float)centerX, (float)centerY }, radiusH, radiusV, color);
}
// Draw ellipse outline
void DrawEllipseLinesV(Vector2 center, float radiusH, float radiusV, Color color)
{
rlBegin(RL_LINES);
for (int i = 0; i < 360; i += 10)
{
rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2f(centerX + cosf(DEG2RAD*(i + 10))*radiusH, centerY + sinf(DEG2RAD*(i + 10))*radiusV);
rlVertex2f(centerX + cosf(DEG2RAD*i)*radiusH, centerY + sinf(DEG2RAD*i)*radiusV);
rlVertex2f(center.x + cosf(DEG2RAD*(i + 10))*radiusH, center.y + sinf(DEG2RAD*(i + 10))*radiusV);
rlVertex2f(center.x + cosf(DEG2RAD*i)*radiusH, center.y + sinf(DEG2RAD*i)*radiusV);
}
rlEnd();
}