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Cursor.cpp

@@ -0,0 +1,80 @@
+#include "Cursor.h"
+#include <GL/freeglut.h>
+#include <cmath>
+#include "Racer.h"
+
+Cursor* Cursor::instance = NULL;
+
+Cursor::Cursor()
+{
+	enabled = false;
+	mousePosition = Vec2f(Racer::width / 2, Racer::height / 2);
+	clicked = false;
+}
+
+Cursor::~Cursor()
+{
+	
+}
+
+Cursor* Cursor::getInstance(void)
+{
+	if (instance == nullptr)
+		instance = new Cursor();
+	
+	return instance;
+}
+
+void Cursor::enable(bool enable)
+{
+	enabled = enable;
+}
+
+bool Cursor::isEnabled(void)
+{
+	return enabled;
+}
+
+void Cursor::draw(void)
+{
+	//Draw Cursor
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	glOrtho(0, Racer::width, Racer::height, 0, -10, 10);
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+
+	glDisable(GL_LIGHTING);
+	glDisable(GL_DEPTH_TEST);
+	glColor4f(1, cos(glutGet(GLUT_ELAPSED_TIME) / 1000.0f), sin(glutGet(GLUT_ELAPSED_TIME) / 1000.0f), 1);
+
+	glBegin(GL_TRIANGLES);
+	glVertex2f(mousePosition.x, mousePosition.y);
+	glVertex2f(mousePosition.x + 15, mousePosition.y + 15);
+	glVertex2f(mousePosition.x + 5, mousePosition.y + 20);
+	glEnd();
+}
+
+void Cursor::update(Vec2f newPosition)
+{
+	if (newPosition.x < 0)
+		newPosition.x = 0;
+
+	if (newPosition.y < 0)
+		newPosition.y = 0;
+
+	if (newPosition.x > Racer::width)
+		newPosition.x = Racer::width;
+
+	if (newPosition.y > Racer::height)
+		newPosition.y = Racer::height;
+
+	mousePosition = newPosition;
+
+	if (clicked)
+		clicked = !clicked;
+	if (state != prev)
+		if(state == GLUT_UP)
+			clicked = true;
+	prev = state;
+}