我正在建立一个相机类(class),并从在线类(class)中获得了帮助来建立该类(class)。
现在,我想在相机中添加胶卷,但找不到任何可以解释如何在相机中添加胶卷的阅读 Material 。
Camera(glm::vec3 position = glm::vec3(0.0f, 0.0f, 500.0f), glm::vec3 up = glm::vec3(0.0f, 1.0f, 0.0f), float yaw = YAW, float pitch = PITCH) : Front(glm::vec3(0.0f, 0.0f, -1.0f)), Zoom(ZOOM)
{
Position = position;
WorldUp = up;
Yaw = yaw;
Pitch = pitch;
updateCameraVectors();
}
glm::mat4 GetViewMatrix()
{
return glm::lookAt(Position, Position + Front , Up);
}
void updateCameraVectors()
{
glm::vec3 front;
front.x = cos(glm::radians(Yaw - 90)) * cos(glm::radians(Pitch));
front.y = sin(glm::radians(Pitch));
front.z = sin(glm::radians(Yaw - 90)) * cos(glm::radians(Pitch)) ;
Front = glm::normalize(front);
Right = glm::normalize(glm::cross(Front, WorldUp));
Up = glm::normalize(glm::cross(Right, Front));
}
如果有人可以在本节课中解释如何添加ROll或指导我阅读一些 Material ,我将不胜感激。 最佳答案
要用roll View ,您已经绕视线(Up
)旋转了向上 vector (Front
)。
通过Front
围绕Roll
定义旋转矩阵:
glm::mat4 roll_mat = glm::rotate(glm::mat4(1.0f), glm::radians(Roll), Front);
通过矩阵转换Up
vector :Up = glm::mat3(roll_mat) * Up;
关于c++ - 如何在相机类中添加胶卷,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/62493770/