X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=0a186f84fdeea4566c0720e9e4112cf407305ff1;hp=b4469b752e909f30fe1628bf0764e440a27f8b76;hb=e204dbdc0e5925daec44037f7b26c9e5984cfdb3;hpb=e1fc70add9281f69123aef6261d7ac016f3275d6 diff --git a/scene.c b/scene.c index b4469b7..0a186f8 100644 --- a/scene.c +++ b/scene.c @@ -123,8 +123,8 @@ GLfloat angle = -150; /* in degrees */ GLfloat angle2 = 30; /* in degrees */ /* Near and far parameters */ -GLfloat near = -10; -GLfloat far = 10; +GLfloat near = -100; +GLfloat far = 100; /* Zoom factor for mouse movements */ GLfloat zoomFactor = 1.0; @@ -135,6 +135,15 @@ int drawFloorRecurse = 5; /* Size of floor, from -n to n */ int floorSize = 100; +/* Light 0 parameters */ +GLfloat diffuse0[] = {1.0, 1.0, 1.0, 1.0}; +GLfloat ambient0[] = {0.0, 0.0, 0.0, 1.0}; +GLfloat specular0[] = {1.0, 1.0, 1.0, 1.0}; +GLfloat emission0[] = {0.0, 0.0, 0.0, 0.0}; +GLfloat light0_pos[] ={1.0, 1.0, 0,0, 1.0}; +GLfloat glightmodel[] = {0.2,0.2,0.2,1}; + + /** * Prints out error message when file cannot be read * @param fileName Name of file that could not be read @@ -597,7 +606,32 @@ void drawSquare(int recurseLevel, float x1, float z1, float x2, float z2) { * Draw a floor by calling the drawSquare recursion */ void drawFloor() { - drawSquare(0, -floorSize, -floorSize, floorSize, floorSize); + //drawSquare(0, -floorSize, -floorSize, floorSize, floorSize); + glBegin(GL_QUADS); + glVertex3f(-18.0, 0.0, 27.0); + glVertex3f(27.0, 0.0, 27.0); + glVertex3f(27.0, 0.0, -18.0); + glVertex3f(-18.0, 0.0, -18.0); + glEnd(); +} + +/** + * Draw x, z axis on floor + */ +void drawLine() { + // **NOTE: fix function + glDisable(GL_TEXTURE_2D); + glEnable(GL_BLEND); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glColor4ub( 0.0, 0.0, 0.0, 0.5 ); + + glBegin(GL_LINES); + glVertex3i( 10.0, 0.1, 10.0); + glVertex3i( -10.0, 0.1, -10.0); + glEnd(); + + glDisable(GL_BLEND); + glEnable(GL_TEXTURE_2D); } /** @@ -612,6 +646,7 @@ void display() { 0.0, 1.0, 0.0 /* up is in postivie Y direction */ ); + // **NOTE: Currently this rotation function is all that moves the camera off // the flat surface. Need to integrate function into gluLookAt glRotatef(30.0, 1.0, 0.0, 0.0); @@ -626,29 +661,27 @@ 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); + //glRotatef(angle2, 1.0, 0.0, 0.0); **NOTE: Only one degree of freedom glLightfv(GL_LIGHT0, GL_POSITION, lightPosition); - glEnable(GL_BLEND); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); drawFloor(); - glDisable(GL_BLEND); - glPushMatrix(); + drawLine(); - glTranslatef(0.0, 1.0, 0.0); - glutWireTeapot(1); // Draw teapot for test + // Draw teapot for a test object + glPushMatrix(); + glTranslatef(0.0, 0.5, 0.0); // **NOTE: Teapot does not rest on surface + glColor3f(0.5, 0.5, 0.5); + glutSolidTeapot(1); glPopMatrix(); + // Draw a white ball over the light source glPushMatrix(); glDisable(GL_LIGHTING); glColor3f(1.0, 1.0, 1.0); - - /* Draw a yellow ball at the light source. */ glTranslatef(lightPosition[0], lightPosition[1], lightPosition[2]); glutSolidSphere(1.0, 50, 50); - glEnable(GL_LIGHTING); glPopMatrix(); @@ -665,24 +698,26 @@ void init() { glLoadIdentity(); gluPerspective( - 60.0, /* field of view in degree */ - 1.0, /* aspect ratio */ - near, /* Z near */ + 60.0, /* field of view in degree */ + 1.0, /* aspect ratio */ + near, /* Z near */ far /* Z far */ - ); - - -GLfloat diffuse0[] = {1.0, 1.0, 1.0, 1.0}; -GLfloat ambient0[] = {1.0, 1.0, 1.0, 1.0}; -GLfloat specular0[] = {1.0, 1.0, 1.0, 1.0}; -GLfloat light0_pos[] ={ 1.0, 2.0, 3,0, 1.0}; + ); -glEnable(GL_LIGHT0); -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); + + 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); + glLightModelfv(GL_LIGHT_MODEL_AMBIENT, glightmodel); + glEnable(GL_LIGHT0); glEnable(GL_LIGHTING); + glEnable(GL_COLOR_MATERIAL); + glColorMaterial( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE ); + glMaterialfv( GL_FRONT_AND_BACK, GL_SPECULAR, specular0); + glMaterialfv( GL_FRONT_AND_BACK, GL_EMISSION, emission0); + + glMatrixMode(GL_MODELVIEW); glLoadIdentity(); @@ -728,7 +763,6 @@ int main(int argc, char **argv) { glutDisplayFunc(display); glutMouseFunc(mouse); glutMotionFunc(motion); - //glutIdleFunc(idle); makeMenu();