diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core.c | 21 | ||||
| -rw-r--r-- | src/raylib.h | 11 |
2 files changed, 29 insertions, 3 deletions
@@ -560,8 +560,25 @@ void BeginDrawing(void) // NOTE: Not required with OpenGL 3.3+ } -// Setup drawing canvas with extended parameters -void BeginDrawingEx(int blendMode, Shader shader, Matrix transform) +// Setup drawing canvas with 2d camera +void BeginDrawingEx(Camera2D camera) +{ + BeginDrawing(); + + // TODO: Consider origin offset on position, rotation, scaling + + Matrix matRotation = MatrixRotate((Vector3){ 0.0f, 0.0f, 1.0f }, camera.rotation*DEG2RAD); + Matrix matScale = MatrixScale(camera.zoom, camera.zoom, 1.0f); + Matrix matTranslation = MatrixTranslate(camera.position.x, camera.position.y, 0.0f); + Matrix matOrigin = MatrixTranslate(-camera.origin.x, -camera.origin.y, 0.0f); + + Matrix matTransform = MatrixMultiply(MatrixMultiply(matScale, matRotation), matTranslation); + + rlMultMatrixf(MatrixToFloat(matTransform)); +} + +// Setup drawing canvas with pro parameters +void BeginDrawingPro(int blendMode, Shader shader, Matrix transform) { BeginDrawing(); diff --git a/src/raylib.h b/src/raylib.h index b6cf98fe..7173a556 100644 --- a/src/raylib.h +++ b/src/raylib.h @@ -315,6 +315,14 @@ typedef struct Camera { float fovy; // Field-Of-View apperture in Y (degrees) } Camera; +// Camera2D type, defines a 2d camera +typedef struct Camera2D { + Vector2 position; // Camera position + Vector2 origin; // Camera origin (for rotation and zoom) + float rotation; // Camera rotation in degrees + float zoom; // Camera zoom (scaling), should be 1.0f by default +} Camera2D; + // Bounding box type typedef struct BoundingBox { Vector3 min; @@ -528,7 +536,8 @@ int GetScreenHeight(void); // Get current scree void ClearBackground(Color color); // Sets Background Color void BeginDrawing(void); // Setup drawing canvas to start drawing -void BeginDrawingEx(int blendMode, Shader shader, Matrix transform); // Setup drawing canvas with extended parameters +void BeginDrawingEx(Camera2D camera); // Setup drawing canvas with 2d camera +void BeginDrawingPro(int blendMode, Shader shader, Matrix transform); // Setup drawing canvas with pro parameters void EndDrawing(void); // End canvas drawing and Swap Buffers (Double Buffering) void Begin3dMode(Camera camera); // Initializes 3D mode for drawing (Camera setup) |