81 lines
1.5 KiB
C++
81 lines
1.5 KiB
C++
#include "Cursor.h"
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#include <GL/freeglut.h>
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#include <cmath>
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#include "Racer.h"
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Cursor* Cursor::instance = NULL;
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Cursor::Cursor()
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{
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enabled = false;
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mousePosition = Vec2f(Racer::width / 2, Racer::height / 2);
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clicked = false;
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}
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Cursor::~Cursor()
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{
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}
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Cursor* Cursor::getInstance(void)
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{
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if (instance == nullptr)
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instance = new Cursor();
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return instance;
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}
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void Cursor::enable(bool enable)
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{
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enabled = enable;
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}
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bool Cursor::isEnabled(void)
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{
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return enabled;
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}
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void Cursor::draw(void)
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{
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//Draw Cursor
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glOrtho(0, Racer::width, Racer::height, 0, -10, 10);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glDisable(GL_LIGHTING);
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glDisable(GL_DEPTH_TEST);
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glColor4f(1, cos(glutGet(GLUT_ELAPSED_TIME) / 1000.0f), sin(glutGet(GLUT_ELAPSED_TIME) / 1000.0f), 1);
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glBegin(GL_TRIANGLES);
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glVertex2f(mousePosition.x, mousePosition.y);
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glVertex2f(mousePosition.x + 15, mousePosition.y + 15);
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glVertex2f(mousePosition.x + 5, mousePosition.y + 20);
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glEnd();
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}
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void Cursor::update(Vec2f newPosition)
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{
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if (newPosition.x < 0)
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newPosition.x = 0;
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if (newPosition.y < 0)
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newPosition.y = 0;
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if (newPosition.x > Racer::width)
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newPosition.x = Racer::width;
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if (newPosition.y > Racer::height)
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newPosition.y = Racer::height;
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mousePosition = newPosition;
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if (clicked)
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clicked = !clicked;
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if (state != prev)
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if(state == GLUT_UP)
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clicked = true;
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prev = state;
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}
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