SceneObject.cpp

#include "SceneObject.hpp"


SceneObject::SceneObject() : _modelMatrix(new glm::mat4()), _inverseModelMatrix(new glm::mat4())
{
}

SceneObject::~SceneObject()
{
    delete _modelMatrix;
    delete _inverseModelMatrix;
}


glm::mat4 SceneObject::GetModelMatrix() const {
    return *_modelMatrix;
}

glm::mat4 SceneObject::GetInverseModelMatrix() const {
    return *_inverseModelMatrix;
}


void SceneObject::Reset() {

    delete _modelMatrix;
    delete _inverseModelMatrix;

    _modelMatrix = new glm::mat4();
    _inverseModelMatrix = new glm::mat4();
}


void SceneObject::Translate(float x, float y, float z)
{
    glm::mat4 transformMatrix = glm::gtx::transform::translate(glm::vec3(x,y,z));
    glm::mat4 inverseTransformMatrix = glm::gtx::transform::translate(glm::vec3(-x,-y,-z));
    Transform(transformMatrix, inverseTransformMatrix);
}



void SceneObject::RotateX_world(float angle)
{


    glm::mat4 transformMatrix =  glm::gtx::transform::rotate(angle,glm::vec3(1,0,0));
    glm::mat4 inverseTransformMatrix =  glm::gtx::transform::rotate(-angle,glm::vec3(1,0,0));
    Transform_world(transformMatrix, inverseTransformMatrix);
}



void SceneObject::RotateY_world(float angle)
{

        glm::mat4 transformMatrix =  glm::gtx::transform::rotate(angle,glm::vec3(0,1,0));
        glm::mat4 inverseTransformMatrix =  glm::gtx::transform::rotate(-angle,glm::vec3(0,1,0));

        Transform_world(transformMatrix, inverseTransformMatrix);


}



void SceneObject::RotateX(float angle)
{


    glm::mat4 transformMatrix =  glm::gtx::transform::rotate(angle,glm::vec3(1,0,0));
    glm::mat4 inverseTransformMatrix =  glm::gtx::transform::rotate(-angle,glm::vec3(1,0,0));
    Transform(transformMatrix, inverseTransformMatrix);
}


void SceneObject::RotateY(float angle)
{

    glm::mat4 transformMatrix =  glm::gtx::transform::rotate(angle,glm::vec3(0,1,0));
    glm::mat4 inverseTransformMatrix =  glm::gtx::transform::rotate(-angle,glm::vec3(0,1,0));
    Transform(transformMatrix, inverseTransformMatrix);
}



void SceneObject::Transform_world(glm::mat4 transformMatrix, glm::mat4 inverseTransformMatrix) {

    
    *_modelMatrix = transformMatrix * (*_modelMatrix);
    *_inverseModelMatrix =  (*_inverseModelMatrix)  * inverseTransformMatrix;

}

void SceneObject::Transform(glm::mat4 transformMatrix, glm::mat4 inverseTransformMatrix) {

    *_modelMatrix = (*_modelMatrix) * transformMatrix;
    *_inverseModelMatrix = inverseTransformMatrix * (*_inverseModelMatrix) ;


}