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ADDED: DrawPolyLines()

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Ray 2020-01-09 18:34:20 +01:00
parent fcf15fe8c0
commit e0d4cc3143
2 changed files with 26 additions and 0 deletions
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1
src/raylib.h
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@ -1070,6 +1070,7 @@ RLAPI void DrawTriangleLines(Vector2 v1, Vector2 v2, Vector2 v3, Color color);
RLAPI void DrawTriangleFan(Vector2 *points, int numPoints, Color color); // Draw a triangle fan defined by points (first vertex is the center) RLAPI void DrawTriangleFan(Vector2 *points, int numPoints, Color color); // Draw a triangle fan defined by points (first vertex is the center)
RLAPI void DrawTriangleStrip(Vector2 *points, int pointsCount, Color color); // Draw a triangle strip defined by points RLAPI void DrawTriangleStrip(Vector2 *points, int pointsCount, Color color); // Draw a triangle strip defined by points
RLAPI void DrawPoly(Vector2 center, int sides, float radius, float rotation, Color color); // Draw a regular polygon (Vector version) RLAPI void DrawPoly(Vector2 center, int sides, float radius, float rotation, Color color); // Draw a regular polygon (Vector version)
RLAPI void DrawPolyLines(Vector2 center, int sides, float radius, float rotation, Color color); // Draw a polygon outline of n sides
RLAPI void SetShapesTexture(Texture2D texture, Rectangle source); // Define default texture used to draw shapes RLAPI void SetShapesTexture(Texture2D texture, Rectangle source); // Define default texture used to draw shapes

25
src/shapes.c
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@ -1346,6 +1346,31 @@ void DrawPoly(Vector2 center, int sides, float radius, float rotation, Color col
rlPopMatrix(); rlPopMatrix();
} }
// Draw a polygon outline of n sides
void DrawPolyLines(Vector2 center, int sides, float radius, float rotation, Color color)
{
if (sides < 3) sides = 3;
float centralAngle = 0.0f;
if (rlCheckBufferLimit(3*(360/sides))) rlglDraw();
rlPushMatrix();
rlTranslatef(center.x, center.y, 0.0f);
rlRotatef(rotation, 0.0f, 0.0f, 1.0f);
rlBegin(RL_LINES);
for (int i = 0; i < sides; i++)
{
rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2f(sinf(DEG2RAD*centralAngle)*radius, cosf(DEG2RAD*centralAngle)*radius);
centralAngle += 360.0f/(float)sides;
rlVertex2f(sinf(DEG2RAD*centralAngle)*radius, cosf(DEG2RAD*centralAngle)*radius);
}
rlEnd();
rlPopMatrix();
}
// Define default texture used to draw shapes // Define default texture used to draw shapes
void SetShapesTexture(Texture2D texture, Rectangle source) void SetShapesTexture(Texture2D texture, Rectangle source)
{ {