sorting and shape updates

1 files changed, 13 insertions, 0 deletions

diff --git a/src/prenderer.cpp b/src/prenderer.cpp
index 53025b2..76ac4ab 100644
--- a/src/prenderer.cpp
+++ b/src/prenderer.cpp
@@ -279,6 +279,19 @@ Transform_Inverse(layer_transforms T)
     return T;
 }
 
+static layer_transforms
+Transform_Add(layer_transforms T, layer_transforms ExtraT, real32 Width, real32 Height)
+{
+    v2 NewPos = TransformPoint(ExtraT, Width, Height, V2(T.x, T.y));
+    T.x = NewPos.x;
+    T.y = NewPos.y;
+    T.ax = T.ax;
+    T.ay = T.ay;
+    T.rotation = T.rotation + ExtraT.rotation;
+    T.scale = T.scale * ExtraT.scale;
+    return T;
+}
+
 static ImVec2
 Layer_LocalToScreenSpace(project_state *State, memory *Memory, block_layer *Layer, ui *UI, uint32 PrincipalCompIndex, v2 Point)
 {