X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=98296168e91bdcb9e46540d7584812c6d22dc6aa;hp=34b7462dd44e86a1293acbd6d513f6b09afe4c67;hb=04b80f76711fefed66b740898072a6a1fd51171d;hpb=892a5bee9691e9566a5cf6b996f55c0b6ab14747 diff --git a/scene.c b/scene.c index 34b7462..9829616 100644 --- a/scene.c +++ b/scene.c @@ -221,31 +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(); } @@ -256,8 +275,8 @@ void keyboard(unsigned char key, int x, int y) { */ void motion(int x, int y) { if (moving) { - zoomFactor += (y - starty); - rotateFactor += (x - startx); + zoom += (y - starty); + rotate += (x - startx); startx = x; starty = y; glutPostRedisplay(); @@ -298,15 +317,10 @@ void display() { glMatrixMode(GL_MODELVIEW); glLoadIdentity(); - GLfloat zcoord = 5.0 + (zoomFactor*0.2); - if ( zcoord < 0.0 ) { - zcoord = 0.0; - } - gluLookAt( - 0.0, 0.0, zcoord, /* eye is at (x,y,z) */ + 0.0, 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(50.0, 1.0, 0.0, 0.0); @@ -317,16 +331,12 @@ void display() { lightPosition[2] = 12*sin(lightAngle); lightPosition[3] = 0.0; - - //glRotatef(angle, 0.0, 1.0, 0.0); - // glRotatef(angle2, 1.0, 0.0, 0.0); - glPushMatrix(); /* Perform scene rotations based on user mouse/keyboard input. */ - glRotatef(rotateFactor*0.5, 0.0, 1.0, 0.0); - //glTranslatef(camx, camy, camz); - //glRotatef(rot, 1.0, 0.0, 0.0); + glRotatef(rotate*rotateFactor, 0.0, 1.0, 0.0); + glTranslatef(camx, camy, camz); + glRotatef(keyrot, 1.0, 0.0, 0.0); glLightfv(GL_LIGHT0, GL_POSITION, lightPosition); @@ -361,7 +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);