X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=81c5b562361e52da32384c9c6e0cee3dafcf7389;hp=3a7597db39b29325b787063770b73e9346a47d93;hb=e4ce2f6ee4857a66d2f9845c5dc10e35b80f3946;hpb=17e3af1a8604dcb5c3cf6fa7f3d9d7d891fe4734 diff --git a/scene.c b/scene.c index 3a7597d..81c5b56 100644 --- a/scene.c +++ b/scene.c @@ -10,6 +10,7 @@ #include #include #include +#include #include "bitmap.h" @@ -118,7 +119,15 @@ static GLfloat floorVertices[4][3] = { static GLfloat lightColor[] = {1.0, 1.0, 1.0, 1.0}; // White light static GLfloat lightPosition[4]; -static float lightAngle = 10.0, lightHeight = 20; + +int moving, startx, starty; +int lightMoving = 0, lightStartX, lightStartY; + +/* Time varying or user-controled variables. */ +static float jump = 0.0; +static float lightAngle = 0.0, lightHeight = 20; +GLfloat angle = -150; /* in degrees */ +GLfloat angle2 = 30; /* in degrees */ /** * Prints out error message when file cannot be read @@ -498,8 +507,59 @@ void windowReshape(int w, int h) { * @param x Mouse x position * @param y Mouse y position */ -void mouse(int btn, int state, int x, int y) { +/*void mouse(int btn, int state, int x, int y) { +}*//* +static void +mouse(int button, int state, int x, int y) +{ + if (button == GLUT_LEFT_BUTTON) { + if (state == GLUT_DOWN) { + moving = 1; + startx = x; + starty = y; + } + if (state == GLUT_UP) { + moving = 0; + } + } + if (button == GLUT_MIDDLE_BUTTON) { + if (state == GLUT_DOWN) { + lightMoving = 1; + lightStartX = x; + lightStartY = y; + } + if (state == GLUT_UP) { + lightMoving = 0; + } + } +} + +static void +motion(int x, int y) +{ + if (moving) { + angle = angle + (x - startx); + angle2 = angle2 + (y - starty); + startx = x; + starty = y; + glutPostRedisplay(); + } + if (lightMoving) { + lightAngle += (x - lightStartX)/40.0; + lightHeight += (lightStartY - y)/20.0; + lightStartX = x; + lightStartY = y; + glutPostRedisplay(); + } +}*/ + +void idle() { + angle = (int)(angle + 10) % 360; + //angle2 = (int)(angle2 + 10) % 360; + printf("Angle 1: %d, Angle 2: %d", angle, angle2); + sleep(2); + glutPostRedisplay(); } /** @@ -512,7 +572,7 @@ void drawFloor() { // glEnable(GL_TEXTURE_2D); //} - glBegin(GL_QUADS); + /*glBegin(GL_QUADS); glTexCoord2f(0.0, 0.0); glVertex3fv(floorVertices[0]); glTexCoord2f(0.0, 16.0); @@ -521,7 +581,7 @@ void drawFloor() { glVertex3fv(floorVertices[2]); glTexCoord2f(16.0, 0.0); glVertex3fv(floorVertices[3]); - glEnd(); + glEnd();*/ /*if (useTexture) { glDisable(GL_TEXTURE_2D); @@ -549,6 +609,10 @@ void display() { lightPosition[3] = 0.0; 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); glEnable(GL_BLEND); @@ -557,15 +621,13 @@ void display() { glDisable(GL_BLEND); glPushMatrix(); - glLoadIdentity(); + glTranslatef(0.0, 0.0, 0.0); - - glutSolidTeapot(5); // Draw teapot for test + glutWireTeapot(30); // Draw teapot for test glPopMatrix(); glPushMatrix(); glDisable(GL_LIGHTING); - glLoadIdentity(); glColor3f(1.0, 1.0, 1.0); /* Draw a yellow ball at the light source. */ @@ -585,6 +647,7 @@ void display() { */ void init() { glMatrixMode(GL_PROJECTION); + glLoadIdentity(); gluPerspective( 60.0, /* field of view in degree */ @@ -601,6 +664,7 @@ void init() { glEnable(GL_LIGHTING); glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); } /** @@ -635,13 +699,15 @@ int main(int argc, char **argv) { glDepthFunc(GL_LEQUAL); // the type glEnable(GL_CULL_FACE); glEnable(GL_TEXTURE_2D); - glLineWidth(3.0); + glLineWidth(1.0); glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); glutReshapeFunc(windowReshape); glutDisplayFunc(display); - glutMouseFunc(mouse); + //glutMouseFunc(mouse); + //glutMotionFunc(motion); + glutIdleFunc(idle); makeMenu();