X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=2a3b61a714be2e988f6c31cb7402995298526c7b;hp=bb80b6554700a04057fd114bf7e02fb6eb3c5fd2;hb=a2e0f7b8f203daa6d62beaa75896fce2ddd92a18;hpb=5b954dfe6532f13411b454949cf1387b13b6dc52 diff --git a/scene.c b/scene.c index bb80b65..2a3b61a 100644 --- a/scene.c +++ b/scene.c @@ -206,16 +206,6 @@ void mouse(int button, int state, int x, int y) { moving = 0; } } - if (button == GLUT_MIDDLE_BUTTON) { - if (state == GLUT_DOWN) { - lightMoving = 1; - lightStartX = x; - lightStartY = y; - } - if (state == GLUT_UP) { - lightMoving = 0; - } - } } /** @@ -231,31 +221,50 @@ void mouse(int button, int state, int x, int y) { void keyboard(unsigned char key, int x, int y) { switch(key) { case 'w': - camz = camz - 1; + case 'W': + camz -= factor; break; case 'a': - camx = camx - 1; + case 'A': + camx -= factor; break; case 's': - camz = camz + 1; + case 'S': + camz += factor; break; case 'd': - camx = camx + 1; + case 'D': + camx += factor; break; case 'q': - camy = camy + 1; + case 'Q': + camy += factor; break; case 'e': - camy = camy - 1; + case 'E': + camy -= factor; break; case 'z': - rot = rot + 1; + case 'Z': + keyrot += factor; break; case 'x': - rot = rot - 1; + case 'X': + keyrot -= factor; + break; + case '=': + case '+': + factor += 0.1; + printf("Factor of change is now %f\n", factor); break; + case '-': + case '_': + factor -= 0.1; + printf("Factor of change is now %f\n", factor); + break; + } - printf("Camera is now at (%f, %f, %f), angle %f\n", camx, camy, camz, rot); + printf("Camera is now at (%f, %f, %f), angle %f\n", camx, camy, camz, keyrot); glutPostRedisplay(); } @@ -266,8 +275,8 @@ void keyboard(unsigned char key, int x, int y) { */ void motion(int x, int y) { if (moving) { - angle = angle + (x - startx); - angle2 = angle2 + (y - starty); + zoom += (y - starty); + rotate += (x - startx); startx = x; starty = y; glutPostRedisplay(); @@ -309,12 +318,12 @@ void display() { glLoadIdentity(); gluLookAt( - 0.0, 0.0, 5.0, /* eye is at (x,y,z) */ + 15.0 + (zoom*zoomFactor), 0.0, 15.0 + (zoom*zoomFactor), /* 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, 10.0, 0.0 /* up is in postivie Y direction */ ); - glRotatef(75.0, 1.0, 0.0, 0.0); + glRotatef(50.0, 1.0, 0.0, 0.0); /* Reposition the light source. */ lightPosition[0] = 12*cos(lightAngle); @@ -325,10 +334,9 @@ void display() { glPushMatrix(); /* Perform scene rotations based on user mouse/keyboard input. */ - glRotatef(angle, 0.0, 1.0, 0.0); - glRotatef(angle2, 1.0, 0.0, 0.0); + glRotatef(rotate*rotateFactor, 0.0, 1.0, 0.0); glTranslatef(camx, camy, camz); - glRotatef(rot, 1.0, 0.0, 0.0); + glRotatef(keyrot, 1.0, 0.0, 0.0); glLightfv(GL_LIGHT0, GL_POSITION, lightPosition); @@ -341,7 +349,7 @@ void display() { glTranslatef(0.0, 0.5, 0.0); // **NOTE: Teapot currently does not rest on surface glColor3f(0.0, 0.0, 0.0); glFrontFace(GL_CW); - glutSolidTeapot(1); + glutSolidTeapot(1); glFrontFace(GL_CCW); glPopMatrix(); @@ -363,7 +371,6 @@ void display() { * init function; sets initial OpenGL state */ void init() { - glLightfv(GL_LIGHT0, GL_POSITION, light0_pos); glLightfv(GL_LIGHT0, GL_AMBIENT, ambient0); glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse0); glLightfv(GL_LIGHT0, GL_SPECULAR, specular0); @@ -415,6 +422,7 @@ int main(int argc, char **argv) { glEnable(GL_DEPTH_TEST); // Enables Depth Testing glDepthFunc(GL_LEQUAL); // the type glEnable(GL_TEXTURE_2D); + glEnable(GL_CULL_FACE); glEnable(GL_NORMALIZE); glLineWidth(2.0);