X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=628d27ece9702b1482b947138ee7f66b5c45a1d8;hp=a7965438f5cff2e1a6588be47718743663f9da32;hb=8f6656802ea9c7a29f69ff58dc675d9c49331875;hpb=66ac3dee15c36c09cb7cb49ffec82640f8ea500a diff --git a/scene.c b/scene.c index a796543..628d27e 100644 --- a/scene.c +++ b/scene.c @@ -182,19 +182,19 @@ 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); + /*glMatrixMode(GL_PROJECTION); glLoadIdentity(); if (w <= h) - glOrtho(near, far, near*(GLfloat)h/(GLfloat)w, + glFrustum(near, far, near*(GLfloat)h/(GLfloat)w, far*(GLfloat)h/(GLfloat)w, -100, 100); else - glOrtho(near*(GLfloat)w/(GLfloat)h, + glFrustum(near*(GLfloat)w/(GLfloat)h, far*(GLfloat)w/(GLfloat)h, near, far, nearClip, farClip); glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); -}*/ + glLoadIdentity();*/ +} /** * Called when mouse event occurs @@ -231,6 +231,7 @@ void mouse(int button, int state, int x, int y) { * w/s increase/decrease the z * a/d increase/decrease the x * q/e increase/decrease the y + * z/x increase/decrease the angle * @param key Key pressed * @param x x co-ordinate of mouse * @param y y co-ordinate of mouse @@ -255,8 +256,14 @@ void keyboard(unsigned char key, int x, int y) { case 'e': camy = camy - 1; break; + case 'z': + rot = rot + 1; + break; + case 'x': + rot = rot - 1; + break; } - printf("Camera is now at (%f, %f, %f)\n", camx, camy, camz); + printf("Camera is now at (%f, %f, %f), angle %f\n", camx, camy, camz, rot); glutPostRedisplay(); } @@ -288,17 +295,17 @@ void motion(int x, int y) { void display() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glLoadIdentity(); - gluLookAt( - 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 */ - ); + //gluLookAt( + // 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); + //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(50.0, 1.0, 0.0, 0.0); + //glRotatef(rot, 1.0, 0.0, 0.0); /* Reposition the light source. */ lightPosition[0] = 12*cos(lightAngle); @@ -310,7 +317,7 @@ void display() { /* Perform scene rotations based on user mouse input. */ glRotatef(angle, 0.0, 1.0, 0.0); - //glRotatef(angle2, 1.0, 0.0, 0.0); **NOTE: Only one degree of freedom + glRotatef(angle2, 1.0, 0.0, 0.0); //**NOTE: Only one degree of freedom glLightfv(GL_LIGHT0, GL_POSITION, lightPosition); @@ -322,7 +329,7 @@ void display() { glPushMatrix(); glTranslatef(0.0, 1.0, 0.0); // **NOTE: Teapot does not rest on surface glColor3f(0.5, 0.5, 0.5); - glutSolidTeapot(1); + glutSolidTeapot(10); glPopMatrix(); // Draw a white ball over the light source @@ -343,15 +350,15 @@ void display() { * init function; sets initial OpenGL state */ void init() { - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - - gluPerspective( - 60.0, /* field of view in degree */ - 1.0, /* aspect ratio */ - nearClip, /* Z near */ - farClip /* Z far */ - ); + //glMatrixMode(GL_PROJECTION); + //glLoadIdentity(); + + //gluPerspective( + // 60.0, /* field of view in degree */ + // 1.0, /* aspect ratio */ + // nearClip, /* Z near */ + // farClip /* Z far */ + // ); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); @@ -406,9 +413,18 @@ int main(int argc, char **argv) { glEnable(GL_TEXTURE_2D); glLineWidth(1.0); + glMatrixMode(GL_PROJECTION); + gluPerspective( /* field of view in degree */ 40.0, + /* aspect ratio */ 1.0, + /* Z near */ 20.0, /* Z far */ 100.0); + glMatrixMode(GL_MODELVIEW); + gluLookAt(0.0, 8.0, 60.0, /* eye is at (0,8,60) */ + 0.0, 8.0, 0.0, /* center is at (0,8,0) */ + 0.0, 1.0, 0.); /* up is in postivie Y direction */ + glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); - //glutReshapeFunc(windowReshape); + glutReshapeFunc(windowReshape); glutDisplayFunc(display); glutMouseFunc(mouse); glutKeyboardFunc(keyboard);