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Improved 2d camera system -IN PROGRESS-

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raysan5
2016-03-27 18:33:54 +02:00
parent 956a6e6f77
commit a3f16c8459
2 changed files with 32 additions and 14 deletions
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10
src/core.c
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@@ -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));
}