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// NOTE: It can be useful when using basic shapes and one single font,
// defining a font char white rectangle would allow drawing everything in a single draw call
void SetShapesTexture(Texture2D texture, Rectangle source); // Set texture and rectangle to be used on shapes drawing
// Basic shapes drawing functions
void DrawPixel(int posX, int posY, Color color); // Draw a pixel
void DrawPixelV(Vector2 position, Color color); // Draw a pixel (Vector version)
void DrawLine(int startPosX, int startPosY, int endPosX, int endPosY, Color color); // Draw a line
void DrawLineV(Vector2 startPos, Vector2 endPos, Color color); // Draw a line (using gl lines)
void DrawLineEx(Vector2 startPos, Vector2 endPos, float thick, Color color); // Draw a line (using triangles/quads)
void DrawLineStrip(Vector2 *points, int pointCount, Color color); // Draw lines sequence (using gl lines)
void DrawLineBezier(Vector2 startPos, Vector2 endPos, float thick, Color color); // Draw line segment cubic-bezier in-out interpolation
void DrawCircle(int centerX, int centerY, float radius, Color color); // Draw a color-filled circle
void DrawCircleSector(Vector2 center, float radius, float startAngle, float endAngle, int segments, Color color); // Draw a piece of a circle
void DrawCircleSectorLines(Vector2 center, float radius, float startAngle, float endAngle, int segments, Color color); // Draw circle sector outline
void DrawCircleGradient(int centerX, int centerY, float radius, Color color1, Color color2); // Draw a gradient-filled circle
void DrawCircleV(Vector2 center, float radius, Color color); // Draw a color-filled circle (Vector version)
void DrawCircleLines(int centerX, int centerY, float radius, Color color); // Draw circle outline
void DrawCircleLinesV(Vector2 center, float radius, Color color); // Draw circle outline (Vector version)
void DrawEllipse(int centerX, int centerY, float radiusH, float radiusV, Color color); // Draw ellipse
void DrawEllipseLines(int centerX, int centerY, float radiusH, float radiusV, Color color); // Draw ellipse outline
void DrawRing(Vector2 center, float innerRadius, float outerRadius, float startAngle, float endAngle, int segments, Color color); // Draw ring
void DrawRingLines(Vector2 center, float innerRadius, float outerRadius, float startAngle, float endAngle, int segments, Color color); // Draw ring outline
void DrawRectangle(int posX, int posY, int width, int height, Color color); // Draw a color-filled rectangle
void DrawRectangleV(Vector2 position, Vector2 size, Color color); // Draw a color-filled rectangle (Vector version)
void DrawRectangleRec(Rectangle rec, Color color); // Draw a color-filled rectangle
void DrawRectanglePro(Rectangle rec, Vector2 origin, float rotation, Color color); // Draw a color-filled rectangle with pro parameters
void DrawRectangleGradientV(int posX, int posY, int width, int height, Color color1, Color color2);// Draw a vertical-gradient-filled rectangle
void DrawRectangleGradientH(int posX, int posY, int width, int height, Color color1, Color color2);// Draw a horizontal-gradient-filled rectangle
void DrawRectangleGradientEx(Rectangle rec, Color col1, Color col2, Color col3, Color col4); // Draw a gradient-filled rectangle with custom vertex colors
void DrawRectangleLines(int posX, int posY, int width, int height, Color color); // Draw rectangle outline
void DrawRectangleLinesEx(Rectangle rec, float lineThick, Color color); // Draw rectangle outline with extended parameters
void DrawRectangleRounded(Rectangle rec, float roundness, int segments, Color color); // Draw rectangle with rounded edges
void DrawRectangleRoundedLines(Rectangle rec, float roundness, int segments, float lineThick, Color color); // Draw rectangle with rounded edges outline
void DrawTriangle(Vector2 v1, Vector2 v2, Vector2 v3, Color color); // Draw a color-filled triangle (vertex in counter-clockwise order!)
void DrawTriangleLines(Vector2 v1, Vector2 v2, Vector2 v3, Color color); // Draw triangle outline (vertex in counter-clockwise order!)
void DrawTriangleFan(Vector2 *points, int pointCount, Color color); // Draw a triangle fan defined by points (first vertex is the center)
void DrawTriangleStrip(Vector2 *points, int pointCount, Color color); // Draw a triangle strip defined by points
void DrawPoly(Vector2 center, int sides, float radius, float rotation, Color color); // Draw a regular polygon (Vector version)
void DrawPolyLines(Vector2 center, int sides, float radius, float rotation, Color color); // Draw a polygon outline of n sides
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
void DrawSplineLinear(Vector2 *points, int pointCount, float thick, Color color); // Draw spline: Linear, minimum 2 points
void DrawSplineBasis(Vector2 *points, int pointCount, float thick, Color color); // Draw spline: B-Spline, minimum 4 points
void DrawSplineCatmullRom(Vector2 *points, int pointCount, float thick, Color color); // Draw spline: Catmull-Rom, minimum 4 points
void DrawSplineBezierQuadratic(Vector2 *points, int pointCount, float thick, Color color); // Draw spline: Quadratic Bezier, minimum 3 points (1 control point): [p1, c2, p3, c4...]
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...]
void DrawSplineSegmentLinear(Vector2 p1, Vector2 p2, float thick, Color color); // Draw spline segment: Linear, 2 points
void DrawSplineSegmentBasis(Vector2 p1, Vector2 p2, Vector2 p3, Vector2 p4, float thick, Color color); // Draw spline segment: B-Spline, 4 points
void DrawSplineSegmentCatmullRom(Vector2 p1, Vector2 p2, Vector2 p3, Vector2 p4, float thick, Color color); // Draw spline segment: Catmull-Rom, 4 points
void DrawSplineSegmentBezierQuadratic(Vector2 p1, Vector2 c2, Vector2 p3, float thick, Color color); // Draw spline segment: Quadratic Bezier, 2 points, 1 control point
void DrawSplineSegmentBezierCubic(Vector2 p1, Vector2 c2, Vector2 c3, Vector2 p4, float thick, Color color); // Draw spline segment: Cubic Bezier, 2 points, 2 control points
// Spline segment point evaluation functions, for a given t [0.0f .. 1.0f]
Vector2 GetSplinePointLinear(Vector2 startPos, Vector2 endPos, float t); // Get (evaluate) spline point: Linear
Vector2 GetSplinePointBasis(Vector2 p1, Vector2 p2, Vector2 p3, Vector2 p4, float t); // Get (evaluate) spline point: B-Spline
Vector2 GetSplinePointCatmullRom(Vector2 p1, Vector2 p2, Vector2 p3, Vector2 p4, float t); // Get (evaluate) spline point: Catmull-Rom
Vector2 GetSplinePointBezierQuad(Vector2 p1, Vector2 c2, Vector2 p3, float t); // Get (evaluate) spline point: Quadratic Bezier
Vector2 GetSplinePointBezierCubic(Vector2 p1, Vector2 c2, Vector2 c3, Vector2 p4, float t); // Get (evaluate) spline point: Cubic Bezier
// Basic shapes collision detection functions
bool CheckCollisionRecs(Rectangle rec1, Rectangle rec2); // Check collision between two rectangles
bool CheckCollisionCircles(Vector2 center1, float radius1, Vector2 center2, float radius2); // Check collision between two circles
bool CheckCollisionCircleRec(Vector2 center, float radius, Rectangle rec); // Check collision between circle and rectangle
bool CheckCollisionPointRec(Vector2 point, Rectangle rec); // Check if point is inside rectangle
bool CheckCollisionPointCircle(Vector2 point, Vector2 center, float radius); // Check if point is inside circle
bool CheckCollisionPointTriangle(Vector2 point, Vector2 p1, Vector2 p2, Vector2 p3); // Check if point is inside a triangle
bool CheckCollisionPointPoly(Vector2 point, Vector2 *points, int pointCount); // Check if point is within a polygon described by array of vertices
bool CheckCollisionLines(Vector2 startPos1, Vector2 endPos1, Vector2 startPos2, Vector2 endPos2, Vector2 *collisionPoint); // Check the collision between two lines defined by two points each, returns collision point by reference
bool CheckCollisionPointLine(Vector2 point, Vector2 p1, Vector2 p2, int threshold); // Check if point belongs to line created between two points [p1] and [p2] with defined margin in pixels [threshold]
Rectangle GetCollisionRec(Rectangle rec1, Rectangle rec2); // Get collision rectangle for two rectangles collision
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