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authorraysan5 <raysan5@gmail.com>2016-03-27 18:33:54 +0200
committerraysan5 <raysan5@gmail.com>2016-03-27 18:34:05 +0200
commita3f16c84594a4811219892e444350d7d3441a6ae (patch)
tree5faa4a100f41ca97a9a70e5fc0c3a17c9057b8cc /src
parent956a6e6f7713a19e746497efb9e909ba88be9c3d (diff)
downloadraylib-a3f16c84594a4811219892e444350d7d3441a6ae.tar.gz
raylib-a3f16c84594a4811219892e444350d7d3441a6ae.zip
Improved 2d camera system -IN PROGRESS-
Diffstat (limited to 'src')
-rw-r--r--src/core.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/src/core.c b/src/core.c
index c05de93b..2ab39ab0 100644
--- a/src/core.c
+++ b/src/core.c
@@ -560,14 +560,14 @@ void BeginDrawingEx(Camera2D camera)
{
BeginDrawing();
- // TODO: Consider origin offset on position, rotation, scaling
-
+ // Camera rotation and scaling is always relative to target
+ Matrix matOrigin = MatrixTranslate(-camera.target.x, -camera.target.y, 0.0f);
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 matTranslation = MatrixTranslate(camera.offset.x + camera.target.x, camera.offset.y + camera.target.y, 0.0f);
- Matrix matTransform = MatrixMultiply(MatrixMultiply(matScale, matRotation), matTranslation);
+ Matrix matTransform = MatrixMultiply(MatrixMultiply(matOrigin, MatrixMultiply(matScale, matRotation)), matTranslation);
rlMultMatrixf(MatrixToFloat(matTransform));
}