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#include "modeltransform.h"
#include <iostream>
ModelTransform::ModelTransform():
m_pos(glm::vec3(0)),
m_scale(glm::vec3(1)),
m_rotation(glm::mat4(1))
{
}
ModelTransform::~ModelTransform(){
}
void ModelTransform::setPos(glm::vec3 pos){
m_pos = pos;
}
void ModelTransform::translate(glm::vec3 delta) {
m_pos += delta;
}
glm::vec3 ModelTransform::getPos() {
return m_pos;
}
void ModelTransform::setScale(glm::vec3 scale) {
m_scale = scale;
}
void ModelTransform::setScale(float scale) {
m_scale = glm::vec3(scale);
}
void ModelTransform::scale(glm::vec3 scale) {
m_scale *= scale;
}
void ModelTransform::scale(float scale) {
m_scale *= scale;
}
glm::vec3 ModelTransform::getScale() {
return m_scale;
}
void ModelTransform::setRotation(float angle, glm::vec3 axis) {
m_rotation = glm::rotate(glm::mat4(1), angle, axis);
}
void ModelTransform::setRotation(glm::mat4 r) {
m_rotation = r;
}
void ModelTransform::rotate(float angle, glm::vec3 axis) {
m_rotation = glm::rotate(m_rotation, angle, axis);
}
void ModelTransform::rotate(glm::mat4 r) {
m_rotation = r * m_rotation;
}
glm::mat4 ModelTransform::getRotation() {
return m_rotation;
}
//float ModelTransform::getYRotationAngle(){
// glm::mat4 rotMat = getRotation();
// float ry0 = rotMat[0][2];
// float ry1 = rotMat[1][2];
// float ry2 = rotMat[2][2];
// float angley = std::atan2(-ry0, pow((pow(ry1, 2) + pow(ry2,2)), .5));
// return angley;
//}
glm::mat4 ModelTransform::getModelMatrix() {
glm::mat4 model = glm::mat4(1);
model = glm::translate(model, m_pos);
model = model * m_rotation;
model = glm::scale(model, m_scale);
return model;
}
void ModelTransform::clear(){
m_pos = glm::vec3(0, 0, 0);
m_scale = glm::vec3(1, 1, 1);
m_rotation = glm::mat4(1);
}
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