159 lines
4.6 KiB
C++
159 lines
4.6 KiB
C++
/********************************************************************************
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* ReactPhysics3D physics library, http://code.google.com/p/reactphysics3d/ *
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* Copyright (c) 2010-2013 Daniel Chappuis *
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*********************************************************************************
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* *
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* This software is provided 'as-is', without any express or implied warranty. *
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* In no event will the authors be held liable for any damages arising from the *
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* use of this software. *
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* *
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* Permission is granted to anyone to use this software for any purpose, *
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* including commercial applications, and to alter it and redistribute it *
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* freely, subject to the following restrictions: *
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* *
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* 1. The origin of this software must not be misrepresented; you must not claim *
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* that you wrote the original software. If you use this software in a *
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* product, an acknowledgment in the product documentation would be *
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* appreciated but is not required. *
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* *
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* 2. Altered source versions must be plainly marked as such, and must not be *
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* misrepresented as being the original software. *
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* *
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* 3. This notice may not be removed or altered from any source distribution. *
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* *
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********************************************************************************/
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// Libraries
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#include "Scene.h"
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#include "Viewer.h"
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// Declarations
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void simulate();
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void display();
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void finish();
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void reshape(int width, int height);
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void mouseButton(int button, int state, int x, int y);
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void mouseMotion(int x, int y);
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void keyboard(unsigned char key, int x, int y);
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void init();
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// Namespaces
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using namespace openglframework;
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// Global variables
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Viewer* viewer;
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Scene* scene;
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// Main function
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int main(int argc, char** argv) {
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// Create and initialize the Viewer
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viewer = new Viewer();
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Vector2 windowsSize = Vector2(800, 600);
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Vector2 windowsPosition = Vector2(100, 100);
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bool initOK = viewer->init(argc, argv, "ReactPhysics3D Examples - Joints", windowsSize, windowsPosition);
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if (!initOK) return 1;
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// Create the scene
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scene = new Scene(viewer);
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init();
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// Glut Idle function that is continuously called
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glutIdleFunc(simulate);
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glutDisplayFunc(display);
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glutReshapeFunc(reshape);
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glutMouseFunc(mouseButton);
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glutMotionFunc(mouseMotion);
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glutKeyboardFunc(keyboard);
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#ifdef USE_FREEGLUT
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glutCloseFunc(finish);
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#else
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atexit(finish);
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#endif
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// Glut main looop
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glutMainLoop();
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return 0;
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}
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// Simulate function
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void simulate() {
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// Physics simulation
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scene->simulate();
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viewer->computeFPS();
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// Ask GLUT to render the scene
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glutPostRedisplay ();
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}
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// Initialization
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void init() {
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// Define the background color (black)
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glClearColor(0.0, 0.0, 0.0, 1.0);
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}
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// Reshape function
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void reshape(int newWidth, int newHeight) {
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viewer->reshape(newWidth, newHeight);
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}
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// Called when a mouse button event occurs
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void mouseButton(int button, int state, int x, int y) {
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viewer->mouseButtonEvent(button, state, x, y);
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}
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// Called when a mouse motion event occurs
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void mouseMotion(int x, int y) {
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viewer->mouseMotionEvent(x, y);
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}
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// Called when the user hits a special key on the keyboard
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void keyboard(unsigned char key, int x, int y) {
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switch(key) {
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// Escape key
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case 27:
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#ifdef USE_FREEGLUT
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// TODO : Check if we need to call finish() here
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glutLeaveMainLoop();
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#endif
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break;
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// Space bar
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case 32:
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scene->pauseContinueSimulation();
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break;
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}
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}
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// End of the application
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void finish() {
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// Destroy the viewer and the scene
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delete viewer;
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delete scene;
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}
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// Display the scene
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void display() {
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// Render the scene
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scene->render();
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// Display the FPS
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viewer->displayGUI();
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// Swap the buffers
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glutSwapBuffers();
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// Check the OpenGL errors
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GlutViewer::checkOpenGLErrors();
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}
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