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| author | raysan5 <[email protected]> | 2019-04-28 14:45:46 +0200 |
|---|---|---|
| committer | raysan5 <[email protected]> | 2019-04-28 14:45:46 +0200 |
| commit | 604a8c0b78b6f51abcce61aa0c3db25412acafa7 (patch) | |
| tree | f03efd4f077a145c24dd2787cb41ff76a59020dd /src/shapes.c | |
| parent | f70a640b2db343d48e465013cacb304f8dabebcb (diff) | |
| download | raylib-604a8c0b78b6f51abcce61aa0c3db25412acafa7.tar.gz raylib-604a8c0b78b6f51abcce61aa0c3db25412acafa7.zip | |
WARNING: Functions renamed
Two functions have been renamed for coherence; previous naming was confusing for several users:
- DrawPolyEx() ---> DrawTriangleFan()
- DrawPolyExLines() ---> DrawLineStrip()
Diffstat (limited to 'src/shapes.c')
| -rw-r--r-- | src/shapes.c | 99 |
1 files changed, 50 insertions, 49 deletions
diff --git a/src/shapes.c b/src/shapes.c index ecef287c..93b332f5 100644 --- a/src/shapes.c +++ b/src/shapes.c @@ -176,6 +176,25 @@ void DrawLineBezier(Vector2 startPos, Vector2 endPos, float thick, Color color) } } +// Draw lines sequence +void DrawLineStrip(Vector2 *points, int pointsCount, Color color) +{ + if (pointsCount >= 2) + { + if (rlCheckBufferLimit(pointsCount)) rlglDraw(); + + rlBegin(RL_LINES); + rlColor4ub(color.r, color.g, color.b, color.a); + + for (int i = 0; i < pointsCount - 1; i++) + { + rlVertex2f(points[i].x, points[i].y); + rlVertex2f(points[i + 1].x, points[i + 1].y); + } + rlEnd(); + } +} + // Draw a color-filled circle void DrawCircle(int centerX, int centerY, float radius, Color color) { @@ -1208,6 +1227,37 @@ void DrawTriangleLines(Vector2 v1, Vector2 v2, Vector2 v3, Color color) rlEnd(); } +// Draw a triangle fan defined by points +// NOTE: First point provided is shared by all triangles +void DrawTriangleFan(Vector2 *points, int pointsCount, Color color) +{ + if (pointsCount >= 3) + { + if (rlCheckBufferLimit((pointsCount - 2)*4)) rlglDraw(); + + rlEnableTexture(GetShapesTexture().id); + rlBegin(RL_QUADS); + rlColor4ub(color.r, color.g, color.b, color.a); + + for (int i = 1; i < pointsCount - 1; i++) + { + rlTexCoord2f(recTexShapes.x/texShapes.width, recTexShapes.y/texShapes.height); + rlVertex2f(points[0].x, points[0].y); + + rlTexCoord2f(recTexShapes.x/texShapes.width, (recTexShapes.y + recTexShapes.height)/texShapes.height); + rlVertex2f(points[i].x, points[i].y); + + rlTexCoord2f((recTexShapes.x + recTexShapes.width)/texShapes.width, (recTexShapes.y + recTexShapes.height)/texShapes.height); + rlVertex2f(points[i + 1].x, points[i + 1].y); + + rlTexCoord2f((recTexShapes.x + recTexShapes.width)/texShapes.width, recTexShapes.y/texShapes.height); + rlVertex2f(points[i + 1].x, points[i + 1].y); + } + rlEnd(); + rlDisableTexture(); + } +} + // Draw a regular polygon of n sides (Vector version) void DrawPoly(Vector2 center, int sides, float radius, float rotation, Color color) { @@ -1256,55 +1306,6 @@ void DrawPoly(Vector2 center, int sides, float radius, float rotation, Color col rlPopMatrix(); } -// Draw a closed polygon defined by points -void DrawPolyEx(Vector2 *points, int pointsCount, Color color) -{ - if (pointsCount >= 3) - { - if (rlCheckBufferLimit((pointsCount - 2)*4)) rlglDraw(); - - rlEnableTexture(GetShapesTexture().id); - rlBegin(RL_QUADS); - rlColor4ub(color.r, color.g, color.b, color.a); - - for (int i = 1; i < pointsCount - 1; i++) - { - rlTexCoord2f(recTexShapes.x/texShapes.width, recTexShapes.y/texShapes.height); - rlVertex2f(points[0].x, points[0].y); - - rlTexCoord2f(recTexShapes.x/texShapes.width, (recTexShapes.y + recTexShapes.height)/texShapes.height); - rlVertex2f(points[i].x, points[i].y); - - rlTexCoord2f((recTexShapes.x + recTexShapes.width)/texShapes.width, (recTexShapes.y + recTexShapes.height)/texShapes.height); - rlVertex2f(points[i + 1].x, points[i + 1].y); - - rlTexCoord2f((recTexShapes.x + recTexShapes.width)/texShapes.width, recTexShapes.y/texShapes.height); - rlVertex2f(points[i + 1].x, points[i + 1].y); - } - rlEnd(); - rlDisableTexture(); - } -} - -// Draw polygon using lines -void DrawPolyExLines(Vector2 *points, int pointsCount, Color color) -{ - if (pointsCount >= 2) - { - if (rlCheckBufferLimit(pointsCount)) rlglDraw(); - - rlBegin(RL_LINES); - rlColor4ub(color.r, color.g, color.b, color.a); - - for (int i = 0; i < pointsCount - 1; i++) - { - rlVertex2f(points[i].x, points[i].y); - rlVertex2f(points[i + 1].x, points[i + 1].y); - } - rlEnd(); - } -} - // Define default texture used to draw shapes void SetShapesTexture(Texture2D texture, Rectangle source) { |
