add platforms and AABB collision

1 files changed, 13 insertions, 0 deletions

diff --git a/src/aabb.odin b/src/aabb.odin
new file mode 100644
index 0000000..9637ec9
--- /dev/null
+++ b/src/aabb.odin
@@ -0,0 +1,13 @@
+package demonchime
+
+aabb_hori :: proc(a: Rect, b: Rect) -> bool {
+  return a.start.x < b.start.x + b.size.x && b.start.x < a.start.x + a.size.x
+}
+
+aabb_vert :: proc(a: Rect, b: Rect) -> bool {
+  return a.start.y < b.start.y + b.size.y && b.start.y < a.start.y + a.size.y
+}
+
+aabb :: proc(a: Rect, b: Rect) -> bool {
+  return aabb_hori(a, b) && aabb_vert(a, b)
+}