47 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #define GLM_ENABLE_EXPERIMENTAL
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| #include <glm/gtc/quaternion.hpp>
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| #include <glm/gtx/matrix_interpolation.hpp>
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| 
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| #include <iostream>
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| 
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| int test_axisAngle()
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| {
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| 	int Error = 0;
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| 
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| 	glm::mat4 m1(-0.9946f, 0.0f, -0.104531f, 0.0f,
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| 		0.0f, 1.0f, 0.0f, 0.0f,
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| 		0.104531f, 0.0f, -0.9946f, 0.0f,
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| 		0.0f, 0.0f, 0.0f, 1.0f);
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| 	glm::mat4 m2(-0.992624f, 0.0f, -0.121874f, 0.0f,
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| 		0.0f, 1.0f, 0.0f, 0.0f,
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| 		0.121874f, 0.0f, -0.992624f, 0.0f,
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| 		0.0f, 0.0f, 0.0f, 1.0f);
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| 
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| 	glm::mat4 const m1rot = glm::extractMatrixRotation(m1);
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| 	glm::mat4 const dltRotation = m2 * glm::transpose(m1rot);
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| 
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| 	glm::vec3 dltAxis(0.0f);
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| 	float dltAngle = 0.0f;
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| 	glm::axisAngle(dltRotation, dltAxis, dltAngle);
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| 
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| 	std::cout << "dltAxis: (" << dltAxis.x << ", " << dltAxis.y << ", " << dltAxis.z << "), dltAngle: " << dltAngle << std::endl;
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| 
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| 	glm::quat q = glm::quat_cast(dltRotation);
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| 	std::cout << "q: (" << q.x << ", " << q.y << ", " << q.z << ", " << q.w << ")" << std::endl;
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| 	float yaw = glm::yaw(q);
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| 	std::cout << "Yaw: " << yaw << std::endl;
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| 
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| 	return Error;
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| }
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| 
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| int main()
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| {
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| 	int Error = 0;
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| 
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| 	Error += test_axisAngle();
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| 
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| 	return Error;
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| }
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| 
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| 
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