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Support 2d camera system -IN PROGRESS-

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This commit is contained in:
raysan5 2016-03-05 15:40:08 +01:00
parent d8bd8634ab
commit 5ea18b9426
3 changed files with 100 additions and 3 deletions
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21
src/core.c
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@ -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();