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@@ -14,10 +14,15 @@
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********************************************************************************************/
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#include "raylib.h"
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+
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+#include "rlgl.h" // Required for: Vertex definition
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#include "raymath.h"
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#define MAX_POINTS 11 // 10 points and back to the start
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+// Draw textured polygon, defined by vertex and texture coordinates
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+void DrawTexturePoly(Texture2D texture, Vector2 center, Vector2 *points, Vector2 *texcoords, int pointCount, Color tint);
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+
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//------------------------------------------------------------------------------------
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// Program main entry point
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//------------------------------------------------------------------------------------
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@@ -102,3 +107,34 @@ int main(void)
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return 0;
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}
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+
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+// Draw textured polygon, defined by vertex and texture coordinates
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+// NOTE: Polygon center must have straight line path to all points
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+// without crossing perimeter, points must be in anticlockwise order
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+void DrawTexturePoly(Texture2D texture, Vector2 center, Vector2 *points, Vector2 *texcoords, int pointCount, Color tint)
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+{
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+ rlSetTexture(texture.id);
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+
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+ // Texturing is only supported on RL_QUADS
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+ rlBegin(RL_QUADS);
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+
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+ rlColor4ub(tint.r, tint.g, tint.b, tint.a);
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+
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+ for (int i = 0; i < pointCount - 1; i++)
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+ {
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+ rlTexCoord2f(0.5f, 0.5f);
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+ rlVertex2f(center.x, center.y);
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+
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+ rlTexCoord2f(texcoords[i].x, texcoords[i].y);
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+ rlVertex2f(points[i].x + center.x, points[i].y + center.y);
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+
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+ rlTexCoord2f(texcoords[i + 1].x, texcoords[i + 1].y);
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+ rlVertex2f(points[i + 1].x + center.x, points[i + 1].y + center.y);
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+
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+ rlTexCoord2f(texcoords[i + 1].x, texcoords[i + 1].y);
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+ rlVertex2f(points[i + 1].x + center.x, points[i + 1].y + center.y);
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+ }
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+ rlEnd();
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+
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+ rlSetTexture(0);
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+}
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