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Added notes about vertex order

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raysan5
2019-08-11 21:26:12 +02:00
parent 740834bb83
commit cef1e6e2e2
2 changed files with 7 additions and 5 deletions
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6
src/raylib.h
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@@ -1054,9 +1054,9 @@ RLAPI void DrawRectangleLines(int posX, int posY, int width, int height, Color c
RLAPI void DrawRectangleLinesEx(Rectangle rec, int lineThick, Color color); // Draw rectangle outline with extended parameters RLAPI void DrawRectangleLinesEx(Rectangle rec, int lineThick, Color color); // Draw rectangle outline with extended parameters
RLAPI void DrawRectangleRounded(Rectangle rec, float roundness, int segments, Color color); // Draw rectangle with rounded edges RLAPI void DrawRectangleRounded(Rectangle rec, float roundness, int segments, Color color); // Draw rectangle with rounded edges
RLAPI void DrawRectangleRoundedLines(Rectangle rec, float roundness, int segments, int lineThick, Color color); // Draw rectangle with rounded edges outline RLAPI void DrawRectangleRoundedLines(Rectangle rec, float roundness, int segments, int lineThick, Color color); // Draw rectangle with rounded edges outline
RLAPI void DrawTriangle(Vector2 v1, Vector2 v2, Vector2 v3, Color color); // Draw a color-filled triangle RLAPI void DrawTriangle(Vector2 v1, Vector2 v2, Vector2 v3, Color color); // Draw a color-filled triangle (vertex in counter-clockwise order!)
RLAPI void DrawTriangleLines(Vector2 v1, Vector2 v2, Vector2 v3, Color color); // Draw triangle outline RLAPI void DrawTriangleLines(Vector2 v1, Vector2 v2, Vector2 v3, Color color); // Draw triangle outline (vertex in counter-clockwise order!)
RLAPI void DrawTriangleFan(Vector2 *points, int numPoints, Color color); // Draw a triangle fan defined by points 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)

6
src/shapes.c
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@@ -1179,6 +1179,7 @@ void DrawRectangleRoundedLines(Rectangle rec, float roundness, int segments, int
} }
// Draw a triangle // Draw a triangle
// NOTE: Vertex must be provided in counter-clockwise order
void DrawTriangle(Vector2 v1, Vector2 v2, Vector2 v3, Color color) void DrawTriangle(Vector2 v1, Vector2 v2, Vector2 v3, Color color)
{ {
if (rlCheckBufferLimit(4)) rlglDraw(); if (rlCheckBufferLimit(4)) rlglDraw();
@@ -1214,6 +1215,7 @@ void DrawTriangle(Vector2 v1, Vector2 v2, Vector2 v3, Color color)
} }
// Draw a triangle using lines // Draw a triangle using lines
// NOTE: Vertex must be provided in counter-clockwise order
void DrawTriangleLines(Vector2 v1, Vector2 v2, Vector2 v3, Color color) void DrawTriangleLines(Vector2 v1, Vector2 v2, Vector2 v3, Color color)
{ {
if (rlCheckBufferLimit(6)) rlglDraw(); if (rlCheckBufferLimit(6)) rlglDraw();
@@ -1232,7 +1234,7 @@ void DrawTriangleLines(Vector2 v1, Vector2 v2, Vector2 v3, Color color)
} }
// Draw a triangle fan defined by points // Draw a triangle fan defined by points
// NOTE: First point provided is shared by all triangles // NOTE: First vertex provided is the center, shared by all triangles
void DrawTriangleFan(Vector2 *points, int pointsCount, Color color) void DrawTriangleFan(Vector2 *points, int pointsCount, Color color)
{ {
if (pointsCount >= 3) if (pointsCount >= 3)
@@ -1263,7 +1265,7 @@ void DrawTriangleFan(Vector2 *points, int pointsCount, Color color)
} }
// Draw a triangle strip defined by points // Draw a triangle strip defined by points
// NOTE: Every new point connects with previous two // NOTE: Every new vertex connects with previous two
void DrawTriangleStrip(Vector2 *points, int pointsCount, Color color) void DrawTriangleStrip(Vector2 *points, int pointsCount, Color color)
{ {
if (pointsCount >= 3) if (pointsCount >= 3)