(mkosarek) Decent SAT description for now

1 files changed, 33 insertions, 0 deletions

diff --git a/tools/transpiler/MathHelper.h b/tools/transpiler/MathHelper.h
new file mode 100644
index 0000000..b9c9cb6
--- /dev/null
+++ b/tools/transpiler/MathHelper.h
@@ -0,0 +1,33 @@
+#pragma once
+
+#define PI 3.14159265358979323846f
+
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#define MAX(a,b) (((a)>(b))?(a):(b))
+#define CLAMP(x, upper, lower) (MIN(upper, MAX(x, lower)))
+#define DTOR (PI / 180.0f)
+#define SWAP(x, y, T) do { T SWAP = x; x = y; y = SWAP; } while (0)
+
+namespace MathHelper {
+	inline float radiansToDegrees(float radians) {
+		return radians * 180.f / PI;
+	}
+
+	inline float degreesToRadians(float degrees) {
+		return degrees * PI / 180.f;
+	}
+
+	inline int nearestPowerOfTwo(int n) {
+        int v = n; 
+
+        v--;
+        v |= v >> 1;
+        v |= v >> 2;
+        v |= v >> 4;
+        v |= v >> 8;
+        v |= v >> 16;
+        v++; // next power of 2
+
+        return v;
+    }
+}