X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=scene.c;h=38a9eccda6150877c1cdaa5d296f632f3c2918dd;hb=2ea091e608bd5ab0538959c92f2f0c1d83ac61ad;hp=e7becbfbe8b5bf07cbdc0bb690901f6b3f51dd39;hpb=2c3d87668d2109715078808dfd3e32b92e21d430;p=atyndall%2Fcits2231.git diff --git a/scene.c b/scene.c index e7becbf..38a9ecc 100644 --- a/scene.c +++ b/scene.c @@ -460,19 +460,24 @@ void makeMenu() { /** * Called when window is resized - * @param w New width - * @param h New height + * @param width New width + * @param height New height */ -void windowReshape(int w, int h) { - glViewport(0, 0, w, h); // Reset The Current Viewport - glMatrixMode(GL_PROJECTION); // Select The Projection Matrix - glLoadIdentity(); // Reset The Projection Matrix - - // Calculate The Aspect Ratio Of The Window - gluPerspective(45.0f,(GLfloat)w/(GLfloat)h,0.1f,100.0f); - - glMatrixMode(GL_MODELVIEW); // Select The Modelview Matrix - glLoadIdentity(); // Reset The Modelview Matrix +void windowReshape(int width, int height) { + glViewport(0, 0, (GLsizei)width, (GLsizei)height); + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + + gluPerspective(60, (GLfloat)width / (GLfloat)height, 0.1, 1000.0); + + /*glViewport(0, 0, w, h); + glMatrixMode(GL_PROJECTION); /* switch matrix mode + glLoadIdentity(); + if (w <= h) + gluOrtho2D(-2.0, 2.0, -2.0 * (GLfloat) h / (GLfloat) w, 2.0 * (GLfloat) h / (GLfloat) w); + else + gluOrtho2D(-2.0 * (GLfloat) w / (GLfloat) h, 2.0 * (GLfloat) w / (GLfloat) h, -2.0, 2.0); + glMatrixMode(GL_MODELVIEW); /* return to modelview mode */ } /** @@ -493,10 +498,10 @@ void display() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glLoadIdentity(); - glTranslatef(-1.5f, 0.0f, -6.0f); + glTranslatef(0.0f,0.0f,-6.0f); // Move Left 1.5 Units And Into The Screen 6.0 glBegin(GL_QUADS); - glColor3f(1.0f,0.0f,0.0f); // Set The Color To Red + glColor3f(1.0f,0.0f,0.0f); // Set The Color To Red glVertex3f(-1.0f, 1.0f, 0.0f); // Top left glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right @@ -539,8 +544,6 @@ int main(int argc, char **argv) { glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // Really Nice Perspective Calculations - glutSwapBuffers(); - glutReshapeFunc(windowReshape); glutDisplayFunc(display); glutMouseFunc(mouse);