X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=892a087b7ad8e49a6baf1cb4ca9870698508cfe0;hp=c7cd7a53a9a49e83dd388403d157231ac6abae4d;hb=0e6f9e61d354ba9e4f4fa9c9efa6fb84374c519f;hpb=f369e5b4fb935813043425ddde66098775615261 diff --git a/scene.c b/scene.c index c7cd7a5..892a087 100644 --- a/scene.c +++ b/scene.c @@ -182,7 +182,7 @@ void makeMenu() { * @param w New width * @param h New height */ -void windowReshape(int w, int h) { +/*void windowReshape(int w, int h) { glViewport(0, 0, (GLsizei) w, (GLsizei) h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); @@ -191,10 +191,10 @@ void windowReshape(int w, int h) { far*(GLfloat)h/(GLfloat)w, -100, 100); else glOrtho(near*(GLfloat)w/(GLfloat)h, - far*(GLfloat)w/(GLfloat)h, near, far, -100, 100); - glMatrixMode(GL_MODELVIEW); + far*(GLfloat)w/(GLfloat)h, near, far, nearClip, farClip); + glMatrixMode(GL_MODELVIEW); glLoadIdentity(); -} +}*/ /** * Called when mouse event occurs @@ -226,6 +226,40 @@ void mouse(int button, int state, int x, int y) { } } +/** + * Keybord event handler + * w/s increase/decrease the z + * a/d increase/decrease the x + * q/e increase/decrease the y + * @param key Key pressed + * @param x x co-ordinate of mouse + * @param y y co-ordinate of mouse + */ +void keyboard(unsigned char key, int x, int y) { + switch(key) { + case 'w': + camz = camz - 1; + break; + case 'a': + camx = camx - 1; + break; + case 's': + camz = camz + 1; + break; + case 'd': + camx = camx + 1; + break; + case 'q': + camy = camy + 1; + break; + case 'e': + camy = camy - 1; + break; + } + printf("Camera is now at (%f, %f, %f)\n", camx, camy, camz); + glutPostRedisplay(); +} + /** * Called when motion event occurs * @param x Mouse x position @@ -255,15 +289,16 @@ void display() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glLoadIdentity(); gluLookAt( - 0.0, 0.0, 10.0, /* eye is at (x,y,z) */ + 0.0, 0.0, 30.0, /* eye is at (x,y,z) */ 0.0, 0.0, 0.0, /* center is at (x,y,z) */ 0.0, 1.0, 0.0 /* up is in postivie Y direction */ ); - + glTranslatef(camx, camy, camz); + // **NOTE: Currently this rotation function is all that moves the camera off // the flat surface. Need to integrate function into gluLookAt - glRotatef(30.0, 1.0, 0.0, 0.0); + glRotatef(50.0, 1.0, 0.0, 0.0); /* Reposition the light source. */ lightPosition[0] = 12*cos(lightAngle); @@ -285,7 +320,7 @@ void display() { // Draw teapot for a test object glPushMatrix(); - glTranslatef(0.0, 0.5, 0.0); // **NOTE: Teapot does not rest on surface + glTranslatef(0.0, 1.0, 0.0); // **NOTE: Teapot does not rest on surface glColor3f(0.5, 0.5, 0.5); glutSolidTeapot(1); glPopMatrix(); @@ -311,14 +346,16 @@ void init() { glMatrixMode(GL_PROJECTION); glLoadIdentity(); - gluPerspective( + gluPerspective( 60.0, /* field of view in degree */ 1.0, /* aspect ratio */ - near, /* Z near */ - far /* Z far */ + nearClip, /* Z near */ + farClip /* Z far */ ); - + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glLightfv(GL_LIGHT0, GL_POSITION, light0_pos); glLightfv(GL_LIGHT0, GL_AMBIENT, ambient0); glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse0); @@ -333,8 +370,6 @@ void init() { - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); } /** @@ -373,9 +408,10 @@ int main(int argc, char **argv) { glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); - glutReshapeFunc(windowReshape); + //glutReshapeFunc(windowReshape); glutDisplayFunc(display); glutMouseFunc(mouse); + glutKeyboardFunc(keyboard); glutMotionFunc(motion); makeMenu();