restructure project

include/td/misc/Easing.h

@@ -0,0 +1,69 @@
+#pragma once
+
+namespace td {
+namespace utils {
+
+constexpr float PI = 3.14159274101257324219;
+
+/* Sine functions */
+
+float EaseInSine(float x);
+float EaseOutSine(float x);
+float EaseInOutSine(float x);
+
+/* Cubic functions */
+
+float EaseInCubic(float x);
+float EaseOutCubic(float x);
+float EaseInOutCubic(float x);
+
+/* Quint functions */
+
+float EaseInQuint(float x);
+float EaseOutQuint(float x);
+float EaseInOutQuint(float x);
+
+/* Circ functions */
+
+float EaseInCirc(float x);
+float EaseOutCirc(float x);
+float EaseInOutCirc(float x);
+
+/* Elastic functions */
+
+float EaseInElastic(float x);
+float EaseOutElastic(float x);
+float EaseInOutElastic(float x);
+
+/* Quad functions */
+
+float EaseInQuad(float x);
+float EaseOutQuad(float x);
+float EaseInOutQuad(float x);
+
+/* Quart functions */
+
+float EaseInQuart(float x);
+float EaseOutQuart(float x);
+float EaseInOutQuart(float x);
+
+/* Expo functions */
+
+float EaseInExpo(float x);
+float EaseOutExpo(float x);
+float EaseInOutExpo(float x);
+
+/* Back functions */
+
+float EaseInBack(float x);
+float EaseOutBack(float x);
+float EaseInOutBack(float x);
+
+/* Bounce functions */
+
+float EaseInBounce(float x);
+float EaseOutBounce(float x);
+float EaseInOutBounce(float x);
+
+} // namespace utils
+} // namespace td