X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=b66be6f64e289b35db0e48695704f7a3e0879409;hp=d57b28e3b663ab3c0bc336f117c6de2bafb5db8f;hb=e870d5eada14c45367e8bbd872dc5f9095f8393f;hpb=e852b2a92a9e2878e944f1fc560595f8db4c9bb7 diff --git a/scene.c b/scene.c index d57b28e..b66be6f 100644 --- a/scene.c +++ b/scene.c @@ -109,6 +109,17 @@ char *dirDefault2 = "/cslinux/examples/CITS2231/project-files/models-textures"; char dataDir[200]; // Stores the directory name for the meshes and textures. +static GLfloat floorVertices[4][3] = { + { -1000.0, 0.0, 1000.0 }, + { 1000.0, 0.0, 1000.0 }, + { 1000.0, 0.0, -1000.0 }, + { -1000.0, 0.0, -1000.0 }, +}; + +static GLfloat lightColor[] = {1.0, 1.0, 1.0, 1.0}; // White light +static GLfloat lightPosition[4]; +static float lightAngle = 10.0, lightHeight = 20; + /** * Prints out error message when file cannot be read * @param fileName Name of file that could not be read @@ -491,17 +502,10 @@ void mouse(int btn, int state, int x, int y) { } -static GLfloat floorVertices[4][3] = { - { -20.0, 0.0, 20.0 }, - { 20.0, 0.0, 20.0 }, - { 20.0, 0.0, -20.0 }, - { -20.0, 0.0, -20.0 }, -}; - -/* Draw a floor (possibly textured). */ -static void -drawFloor(void) -{ +/** + * Draw a floor. + */ +void drawFloor() { glDisable(GL_LIGHTING); //if (useTexture) { @@ -526,18 +530,18 @@ drawFloor(void) glEnable(GL_LIGHTING); } - -static GLfloat lightColor[] = {1.0, 1.0, 1.0, 1.0}; /* green-tinted */ -static GLfloat lightPosition[4]; -static float lightAngle = 0.0, lightHeight = 20; - - /** * Display function */ void display() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + glMatrixMode(GL_MODELVIEW); glLoadIdentity(); + gluLookAt( + 0.0, 90.0, 60.0, /* eye is at (x,y,z) */ + 0.0, 0.0, 0.0, /* center is at (x,y,z) */ + 0.0, 100.0, 0.0 /* up is in postivie Y direction */ + ); /* Reposition the light source. */ lightPosition[0] = 12*cos(lightAngle); @@ -553,11 +557,17 @@ void display() { drawFloor(); glDisable(GL_BLEND); - glutSolidTeapot(1); // Draw teapot for test + glPushMatrix(); + glLoadIdentity(); + glTranslatef(0.0, 0.0, 0.0); + + glutSolidTeapot(5); // Draw teapot for test + glPopMatrix(); glPushMatrix(); glDisable(GL_LIGHTING); - glColor3f(1.0, 1.0, 0.0); + glLoadIdentity(); + glColor3f(1.0, 1.0, 1.0); /* Draw a yellow ball at the light source. */ glTranslatef(lightPosition[0], lightPosition[1], lightPosition[2]); @@ -575,25 +585,14 @@ void display() { * init function; sets initial OpenGL state */ void init() { - glEnable(GL_CULL_FACE); - glEnable(GL_DEPTH_TEST); - glEnable(GL_TEXTURE_2D); - glLineWidth(3.0); - glMatrixMode(GL_PROJECTION); + gluPerspective( - 180.0, /* field of view in degree */ + 60.0, /* field of view in degree */ 1.0, /* aspect ratio */ 0.0, /* Z near */ 900.0 /* Z far */ - ); - - 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, 0.0 /* up is in postivie Y direction */ - ); + ); glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, 1); glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor); @@ -633,6 +632,9 @@ int main(int argc, char **argv) { glClearDepth(1.0f); // Depth Buffer Setup glEnable(GL_DEPTH_TEST); // Enables Depth Testing glDepthFunc(GL_LEQUAL); // the type + glEnable(GL_CULL_FACE); + glEnable(GL_TEXTURE_2D); + glLineWidth(3.0); glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);