X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=115e2f780502beaea74b42b7cac1687b276ecba1;hp=dde21250a2676d16a4b93079f1edeedef72ee0dd;hb=0027386de971932f47120fee28fec24a64d101b6;hpb=805a86b6d1deded8f3f69fa059e1916e0e490ce5 diff --git a/scene.c b/scene.c index dde2125..115e2f7 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 @@ -255,12 +289,13 @@ 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 */ + 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); @@ -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();