Add Drawlist

- Add Pool iterator support
- Add Pool Expandability
- Add Pool::Push
- Add Lithium Maths API
- Remove InitPools
- update spirv-helper

include/pd/lithium/math.hpp

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <pd/core/core.hpp>
+#include <pd/lithium/rect.hpp>
+
+namespace PD {
+namespace Li {
+namespace Math {
+PD_API bool InBounds(const fvec2& pos, const fvec2& size, const fvec4& rect);
+PD_API bool InBounds(const fvec2& pos, const fvec4& rect);
+PD_API bool InBounds(const fvec2& a, const fvec2& b, const fvec2& c,
+                     const fvec4& rect);
+PD_API void RotateCorner(fvec2& pos, float sinus, float cosinus);
+PD_API Rect PrimRect(const fvec2& pos, const fvec2& size, float angle = 0.f);
+PD_API Rect PrimLine(const fvec2& a, const fvec2& b, int t = 1);
+}  // namespace Math
+}  // namespace Li
+}  // namespace PD