ColorCube.cpp

#include <iostream>
#include <math.h>
#include <gl/glut.h>

#include "LifeVariables.h"
#include "ColorCube.h"
#include "ArcBall.h"

using namespace std;

ColorCube::ColorCube(int width, int height): ArcBall_t(width, height) {}


void ColorCube::polygon(int a, int b, int c , int d) {
    glBegin(GL_POLYGON);
    glColor3fv(colors[a]);
    glVertex3fv(colors[a]);
    
    glColor3fv(colors[b]);
    glVertex3fv(colors[b]);
    
    glColor3fv(colors[c]);
    glVertex3fv(colors[c]);
    
    glColor3fv(colors[d]);
    glVertex3fv(colors[d]);
    glEnd();
}

    
void ColorCube::colorcube() {           
    polygon(0,3,2,1);
    polygon(2,3,7,6);
    polygon(0,4,7,3);
    polygon(1,2,6,5);
    polygon(4,5,6,7);
    polygon(0,1,5,4);
}


void ColorCube::render() {
    glPushAttrib(GL_CURRENT_BIT);
    glMatrixMode(GL_MODELVIEW);    
    glPushMatrix();
        glLoadIdentity();
        glMultMatrixf(finalTransformation.M);        
        glTranslatef(-0.5, -0.5, -0.5);        
        this->colorcube();
    glPopMatrix();
    glPopAttrib();    
}


void ColorCube::onMouseDown(int x, int y) {
    this->mousePosition.s.X = x;
    this->mousePosition.s.Y = y;    

    // Set Last Static Rotation To Last Dynamic One
    lastRotation = currentRotation;
    // Update Start Vector And Prepare For Dragging
        this->click(&this->mousePosition);

    // store the selected color as member
    glReadPixels(x, y, 1, 1, GL_RGB, GL_FLOAT, selectedColor);
    
    cout << "x= " << x << " y= " << y <<endl;
    cout << "SLECTED_COLOR " << selectedColor[0] << " " << selectedColor[1]<<" "<< selectedColor[2] << endl;
}


void ColorCube::onMouseUp(int x, int y) {
    throw;
}


void ColorCube::onMouseDrag(int x, int y) {
    this->mousePosition.s.X = x;
    this->mousePosition.s.Y = y;    
    Quat4fT currentQ;
    // Update End Vector And Get Rotation As Quaternion
    this->drag(&this->mousePosition, &currentQ);
    // Convert Quaternion Into Matrix3fT
    Matrix3fSetRotationFromQuat4f(&currentRotation, &currentQ);
    // Accumulate Last Rotation Into This One
    Matrix3fMulMatrix3f(&currentRotation, &lastRotation);                               
    // Set Our Final Transform's Rotation From This One
    Matrix4fSetRotationFromMatrix3f(&finalTransformation, &currentRotation);    
}


float* ColorCube::getColor() {
  return selectedColor;
}

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