clip all ui elements

1 files changed, 19 insertions, 0 deletions

diff --git a/teensy/teensy_math.c b/teensy/teensy_math.c
index 5da800c..9247bd0 100644
--- a/teensy/teensy_math.c
+++ b/teensy/teensy_math.c
@@ -36,3 +36,22 @@ ty_Recti ty_recti_grow(ty_Recti rect, int p)
     rect.h += p * 2;
     return rect;
 }
+
+ty_Recti ty_recti_clamp(ty_Recti rect, ty_Recti minmax)
+{
+    ty_Vec2i start = ty_recti_start(rect);
+    ty_Vec2i end = ty_recti_end(rect);
+
+    ty_Vec2i min = ty_recti_start(minmax);
+    ty_Vec2i max = ty_recti_end(minmax);
+
+    start.x = ty_clamp(start.x, min.x, max.x);
+    start.y = ty_clamp(start.y, min.y, max.y);
+    end.x   = ty_clamp(end.x,   min.x, max.x);
+    end.y   = ty_clamp(end.y,   min.y, max.y);
+
+    return ty_recti(
+        start.x, start.y,
+        end.x - start.x, end.y - start.y
+    );
+}