TxPoint.cpp

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

#include "TxPoint.h"
#include  "LifeVariables.h"

using namespace std;

TxPoint::TxPoint(GLfloat x, GLfloat y, GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) {
    this->mouseOver = false;
    this->position[0] = x;
    this->position[1] = y;
    this->rgba[0] = red;
    this->rgba[1] = green;
    this->rgba[2] = blue;
    this->rgba[3] = alpha;
    this->computeBounds();
}


void TxPoint::computeBounds() {
    // left x
    this->bounds[0] = floor(this->position[0])- TX_POINT_BOUNDING_RADIUS;
    // right x
    this->bounds[1] = ceil(this->position[0])+ TX_POINT_BOUNDING_RADIUS;
}


bool TxPoint::hit(GLfloat x, GLfloat y) {    
    // if the point is not in the bounds return false
    if(x < bounds[0] || x > bounds[1]) {        
        //this->mouseOver = false;
        return false;
    }
    // else return true
    else {
        //this->mouseOver = true;
        return true;
    }
}


void TxPoint::onMouseOver() {
    this->mouseOver = true;
}


void TxPoint::onMouseOut() {
    this->mouseOver = false;
}


void TxPoint::moveTo(GLfloat x, GLfloat y) {    
    this->position[0] = x;
    this->position[1] = y;
    this->computeBounds();
}


bool TxPoint::equals(TxPoint *p) {
    return (this->position[0] == p->position[0] &&
            this->position[1] == p->position[1] &&
            this->rgba[0] == p->rgba[0] &&
            this->rgba[1] == p->rgba[1] &&
            this->rgba[2] == p->rgba[2] &&
            this->rgba[3] == p->rgba[3]);    
}


void TxPoint::render() {
    glPushAttrib(GL_CURRENT_BIT);
        glColor4f(0,0,0,0);        
        renderString(this->bounds[1], position[1], FONT, position[0]);
        glPointSize(TX_POINT_RADIUS);
        glBegin(GL_POINTS);
            glColor4fv(this->rgba);        
            glVertex2fv(this->position);
        glEnd();
    glPopAttrib();
    
    
}

---