couch/core/Transform.cpp
2021-01-21 11:12:45 -06:00

48 lines
1.2 KiB
C++

#include "Transform.h"
Transform::Transform() {
position = Vector3(0.0f);
rotation = Vector3(0.0f);
scale = Vector3(1.0f, 1.0f, 1.0f);
}
Transform::Transform(Vector3 position, Vector3 rotation) {
this->position = position;
this->rotation = rotation;
this->scale = Vector3(1.0f, 1.0f, 1.0f);
}
Transform::Transform(Vector3 position, Vector3 rotation, Vector3 scale) {
this->position = position;
this->rotation = rotation;
this->scale = scale;
}
void Transform::Translate(cfloat x, cfloat y, cfloat z) {
position = position + Vector3(x, y, z);
}
Matrix Transform::RotationMatrix() {
Matrix mat(1.0f);
mat = glm::rotate(mat, this->rotation.z, Vector3(0.0f, 0.0f, 1.0f));
mat = glm::rotate(mat, this->rotation.y, Vector3(0.0f, 1.0f, 0.0f));
mat = glm::rotate(mat, this->rotation.x, Vector3(1.0f, 0.0f, 0.0f));
return mat;
}
Vector3 Transform::Forward() {
return glm::vec3(RotationMatrix() * glm::vec4(0.0f, 0.0f, -1.0f, 1.0f));
}
Vector3 Transform::Up() {
return glm::vec3(RotationMatrix() * glm::vec4(0.0f, 1.0f, 0.0f, 1.0f));
}
Vector3 Transform::Right() {
return glm::vec3(RotationMatrix() * glm::vec4(1.0f, 0.0f, 0.0f, 1.0f));
}