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REDESIGNED: Spline drawing functionality

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This change allows more versatile and consistent splines drawing. It also gives more control to advance users to draw splines as individual segments.
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Ray 2023-11-08 17:42:35 +01:00
parent bbf0c3a46d
commit bd3ffa7db3
3 changed files with 206 additions and 46 deletions
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21
src/raylib.h
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@ -1256,18 +1256,23 @@ RLAPI void DrawPolyLines(Vector2 center, int sides, float radius, float rotation
RLAPI void DrawPolyLinesEx(Vector2 center, int sides, float radius, float rotation, float lineThick, Color color); // Draw a polygon outline of n sides with extended parameters
// Splines drawing functions
RLAPI void DrawSplineLinear(Vector2 *points, int pointCount, float thick, Color color); // Draw spline: linear, minimum 2 points
RLAPI void DrawSplineLinear(Vector2 *points, int pointCount, float thick, Color color); // Draw spline: Linear, minimum 2 points
RLAPI void DrawSplineBasis(Vector2 *points, int pointCount, float thick, Color color); // Draw spline: B-Spline, minimum 4 points
RLAPI void DrawSplineCatmullRom(Vector2 *points, int pointCount, float thick, Color color); // Draw spline: Catmull Rom, minimum 4 points
RLAPI void DrawSplineBezierQuad(Vector2 startPos, Vector2 controlPos, Vector2 endPos, float thick, Color color); // Draw spline segment: quadratic-bezier, one control point
RLAPI void DrawSplineBezierCubic(Vector2 startPos, Vector2 startControlPos, Vector2 endControlPos, Vector2 endPos, float thick, Color color); // Draw spline segment: cubic-bezier, two control points
RLAPI void DrawSplineCatmullRom(Vector2 *points, int pointCount, float thick, Color color); // Draw spline: Catmull-Rom, minimum 4 points
RLAPI void DrawSplineBezierQuadratic(Vector2 *points, int pointCount, float thick, Color color); // Draw spline: Quadratic Bezier, minimum 3 points (1 control point): [p1, c2, p3, c4...]
RLAPI void DrawSplineBezierCubic(Vector2 *points, int pointCount, float thick, Color color); // Draw spline: Cubic Bezier, minimum 4 points (2 control points): [p1, c2, c3, p4, c5, c6...]
RLAPI void DrawSplineSegmentLinear(Vector2 p1, Vector2 p2, float thick, Color color); // Draw spline segment: Linear, 2 points
RLAPI void DrawSplineSegmentBasis(Vector2 p1, Vector2 p2, Vector2 p3, Vector2 p4, float thick, Color color); // Draw spline segment: B-Spline, 4 points
RLAPI void DrawSplineSegmentCatmullRom(Vector2 p1, Vector2 p2, Vector2 p3, Vector2 p4, float thick, Color color); // Draw spline segment: Catmull-Rom, 4 points
RLAPI void DrawSplineSegmentBezierQuadratic(Vector2 p1, Vector2 c2, Vector2 p3, float thick, Color color); // Draw spline segment: Quadratic Bezier, 2 points, 1 control point
RLAPI void DrawSplineSegmentBezierCubic(Vector2 p1, Vector2 c2, Vector2 c3, Vector2 p4, float thick, Color color); // Draw spline segment: Cubic Bezier, 2 points, 2 control points
// Get (evaluate) spline point for a given t [0.0f .. 1.0f]
RLAPI Vector2 GetSplinePointLinear(Vector2 startPos, Vector2 endPos, float t); // Get (evaluate) spline point: linear
// Spline segment point evaluation functions, for a given t [0.0f .. 1.0f]
RLAPI Vector2 GetSplinePointLinear(Vector2 startPos, Vector2 endPos, float t); // Get (evaluate) spline point: Linear
RLAPI Vector2 GetSplinePointBasis(Vector2 p1, Vector2 p2, Vector2 p3, Vector2 p4, float t); // Get (evaluate) spline point: B-Spline
RLAPI Vector2 GetSplinePointCatmullRom(Vector2 p1, Vector2 p2, Vector2 p3, Vector2 p4, float t); // Get (evaluate) spline point: Catmull-Rom
RLAPI Vector2 GetSplinePointBezierQuad(Vector2 startPos, Vector2 controlPos, Vector2 endPos, float t); // Get (evaluate) spline point: quadratic-bezier
RLAPI Vector2 GetSplinePointBezierCubic(Vector2 startPos, Vector2 startControlPos, Vector2 endControlPos, Vector2 endPos, float t); // Get (evaluate) spline point: cubic-bezier
RLAPI Vector2 GetSplinePointBezierQuad(Vector2 p1, Vector2 c2, Vector2 p3, float t); // Get (evaluate) spline point: Quadratic Bezier
RLAPI Vector2 GetSplinePointBezierCubic(Vector2 p1, Vector2 c2, Vector2 c3, Vector2 p4, float t); // Get (evaluate) spline point: Cubic Bezier
// Basic shapes collision detection functions
RLAPI bool CheckCollisionRecs(Rectangle rec1, Rectangle rec2); // Check collision between two rectangles