X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=3ffaefd79aba8fd9f6c256bcf239e410b47b289e;hp=aa3967bf518a0b83cc9a16a08d05f26226bb6ba2;hb=3dd5c9052405e410cc224d3a281e964bcee476be;hpb=fe0a6a8ae3ff8a57f0f92e6f9de8d7814886c94d diff --git a/scene.c b/scene.c index aa3967b..3ffaefd 100644 --- a/scene.c +++ b/scene.c @@ -556,40 +556,56 @@ motion(int x, int y) void idle() { angle = (int)(angle + 10) % 360; - //angle2 = (int)(angle2 + 10) % 360; - printf("Angle 1: %f, Angle 2: %f\n", angle, angle2); - sleep(2); - glutPostRedisplay(); + //angle2 = (int)(angle2 + 10) % 360; + printf("Angle 1: %f, Angle 2: %f\n", angle, angle2); + sleep(1); + glutPostRedisplay(); +} + + +int drawFloorRecurse = 5; + +void drawSquare(int recurseLevel, float x1, float y1, float x2, float y2) { + + if ( drawFloorRecurse != recurseLevel ) { + float xm = (x1 + x2) / 2.0; + float ym = (y1 + y2) / 2.0; + int rnew = recurseLevel + 1; + + // Split into four sub-quads + drawSquare(rnew, x1, y1, xm, ym); + drawSquare(rnew, x1, ym, xm, y2); + drawSquare(rnew, xm, ym, x2, y2); + drawSquare(rnew, xm, y1, x2, ym); + + } else { + glBegin(GL_QUADS); + glVertex3f(x1, 0.0, y1); + glVertex3f(x1, 0.0, y2); + glVertex3f(x2, 0.0, y2); + glVertex3f(x2, 0.0, y1); + glEnd(); + } + } /** * Draw a floor. */ void drawFloor() { - glDisable(GL_LIGHTING); - - //if (useTexture) { - // glEnable(GL_TEXTURE_2D); - //} - - /*glBegin(GL_QUADS); - glTexCoord2f(0.0, 0.0); - glVertex3fv(floorVertices[0]); - glTexCoord2f(0.0, 16.0); - glVertex3fv(floorVertices[1]); - glTexCoord2f(16.0, 16.0); - glVertex3fv(floorVertices[2]); - glTexCoord2f(16.0, 0.0); - glVertex3fv(floorVertices[3]); - glEnd();*/ + +drawSquare(0, -1000.0, -1000.0, 1000.0, 1000.0); /*if (useTexture) { glDisable(GL_TEXTURE_2D); }*/ - glEnable(GL_LIGHTING); } +/*void drawSquare(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2) { + drawSquare(0, x1, y1, x2, y2); +}*/ + /** * Display function */ @@ -597,11 +613,13 @@ void display() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glLoadIdentity(); gluLookAt( - 0.0, 0.0, 60.0, /* eye is at (x,y,z) */ + 0.0, 0.0, 80.0, /* 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 */ ); + glRotatef(30.0, 1.0, 0.0, 0.0); + /* Reposition the light source. */ lightPosition[0] = 12*cos(lightAngle); lightPosition[1] = lightHeight; @@ -610,7 +628,7 @@ void display() { glPushMatrix(); /* Perform scene rotations based on user mouse input. */ - glRotatef(angle2, 1.0, 0.0, 0.0); + glRotatef(angle, 0.0, 1.0, 0.0); glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);