OrthographicCamera.cpp

#include "LifeVariables.h"
#include "OrthographicCamera.h"
#include "Viewport.h"


OrthographicCamera::OrthographicCamera(int left, 
                                       int right, 
                                       int bottom,
                                       int top, 
                                       int x, 
                                       int y, 
                                       int width,
                                       int height) 
{
    this->left = left;
    this->right = right;
    this->bottom = bottom;
    this->top = top;    
    this->x = x;
    this->y = y;
    this->w = width;
    this->h = height;            
}


void OrthographicCamera::getLocalWorldCoordinates(int &x, int &y) {
    int spaceWidth = this->right - this->left;
    int spaceHeight = this->top - this->bottom;

    x = ((float)spaceWidth/this->w)*(x - this->x);
    y = ((float)spaceHeight/this->h)*(float)y - ((float)spaceHeight/this->h)*(float)this->y;
}


void OrthographicCamera::startCamera(int x, int y, int width, int height) {
    this->setViewPort(x,y,width,height);
    // setup orthographic proj. with the size defined in the constructor
    this->setOrthographicProjection();
}


void OrthographicCamera::startCamera() {
    this->setViewPort(this->x,this->y,this->w,this->h);
    // setup orthographic proj. with the size defined in the constructor
    this->setOrthographicProjection();    
}


void OrthographicCamera::stopCamera() {
    this->resetProjection();
    this->resetViewPort();        
}

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