Added GTX_easing for interpolation functions #761

test/gtx/gtx_easing.cpp

@@ -0,0 +1,65 @@
+#define GLM_ENABLE_EXPERIMENTAL
+#include <glm/glm.hpp>
+#include <glm/gtx/quaternion.hpp>
+#include <glm/gtx/easing.hpp>
+
+namespace
+{
+
+	template<typename T>
+	void _test_easing()
+	{
+		T a = static_cast<float>(0.5);
+		T r;
+
+		r = glm::linearInterpolation(a);
+		//
+		r = glm::quadraticEaseIn(a);
+		r = glm::quadraticEaseOut(a);
+		r = glm::quadraticEaseInOut(a);
+		//
+		r = glm::cubicEaseIn(a);
+		r = glm::cubicEaseOut(a);
+		r = glm::cubicEaseInOut(a);
+		//
+		r = glm::quarticEaseIn(a);
+		r = glm::quarticEaseOut(a);
+		r = glm::quinticEaseInOut(a);
+		//
+		r = glm::sineEaseIn(a);
+		r = glm::sineEaseOut(a);
+		r = glm::sineEaseInOut(a);
+		//
+		r = glm::circularEaseIn(a);
+		r = glm::circularEaseOut(a);
+		r = glm::circularEaseInOut(a);
+		//
+		r = glm::exponentialEaseIn(a);;
+		r = glm::exponentialEaseOut(a);
+		r = glm::exponentialEaseInOut(a);
+		//
+		r = glm::elasticEaseIn(a);
+		r = glm::elasticEaseOut(a);
+		r = glm::elasticEaseInOut(a);
+		//
+		r = glm::backEaseIn(a);
+		r = glm::backEaseOut(a);
+		r = glm::backEaseInOut(a);
+		//
+		r = glm::bounceEaseIn(a);;
+		r = glm::bounceEaseOut(a);
+		r = glm::bounceEaseInOut(a);
+	}
+
+}
+
+int main()
+{
+	int Error = 0;
+
+	_test_easing<float>();
+	_test_easing<double>();
+
+	return Error;
+}
+