tja ..

1 files changed, 206 insertions, 0 deletions

diff --git a/Smoke/snowman.c b/Smoke/snowman.c
new file mode 100644
index 0000000..4c86532
--- /dev/null
+++ b/Smoke/snowman.c
@@ -0,0 +1,206 @@
+    
+#include <math.h>
+#include <GL/glut.h>
+
+
+
+
+float angle=0.0,deltaAngle = 0.0,ratio;
+float x=0.0f,y=1.75f,z=5.0f;
+float lx=0.0f,ly=0.0f,lz=-1.0f;
+GLint snowman_display_list;
+int deltaMove = 0;
+
+
+void changeSize(int w, int h)
+	{
+
+	// Prevent a divide by zero, when window is too short
+	// (you cant make a window of zero width).
+	if(h == 0)
+		h = 1;
+
+	ratio = 1.0f * w / h;
+	// Reset the coordinate system before modifying
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	
+	// Set the viewport to be the entire window
+	glViewport(0, 0, w, h);
+
+	// Set the clipping volume
+	gluPerspective(45,ratio,1,1000);
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+	gluLookAt(x, y, z, 
+		      x + lx,y + ly,z + lz,
+			  0.0f,1.0f,0.0f);
+
+
+	}
+
+
+void drawSnowMan() {
+
+
+	glColor3f(1.0f, 1.0f, 1.0f);
+
+// Draw Body	
+	glTranslatef(0.0f ,0.75f, 0.0f);
+	glutSolidSphere(0.75f,20,20);
+
+
+// Draw Head
+	glTranslatef(0.0f, 1.0f, 0.0f);
+	glutSolidSphere(0.25f,20,20);
+
+// Draw Eyes
+	glPushMatrix();
+	glColor3f(0.0f,0.0f,0.0f);
+	glTranslatef(0.05f, 0.10f, 0.18f);
+	glutSolidSphere(0.05f,10,10);
+	glTranslatef(-0.1f, 0.0f, 0.0f);
+	glutSolidSphere(0.05f,10,10);
+	glPopMatrix();
+
+// Draw Nose
+	glColor3f(1.0f, 0.5f , 0.5f);
+	glRotatef(0.0f,1.0f, 0.0f, 0.0f);
+	glutSolidCone(0.08f,0.5f,10,2);
+}
+
+
+
+GLuint createDL() {
+	GLuint snowManDL;
+
+	// Create the id for the list
+	snowManDL = glGenLists(1);
+
+	// start list
+	glNewList(snowManDL,GL_COMPILE);
+
+	// call the function that contains 
+	// the rendering commands
+		drawSnowMan();
+
+	// endList
+	glEndList();
+
+	return(snowManDL);
+}
+
+void initScene() {
+
+	glEnable(GL_DEPTH_TEST);
+	snowman_display_list = createDL();
+
+}
+
+void orientMe(float ang) {
+
+
+	lx = sin(ang);
+	lz = -cos(ang);
+	glLoadIdentity();
+	gluLookAt(x, y, z, 
+		      x + lx,y + ly,z + lz,
+			  0.0f,1.0f,0.0f);
+}
+
+
+void moveMeFlat(int i) {
+	x = x + i*(lx)*0.1;
+	z = z + i*(lz)*0.1;
+	glLoadIdentity();
+	gluLookAt(x, y, z, 
+		      x + lx,y + ly,z + lz,
+			  0.0f,1.0f,0.0f);
+}
+
+
+void renderScene(void) {
+  int i, j;
+
+	if (deltaMove)
+		moveMeFlat(deltaMove);
+	if (deltaAngle) {
+		angle += deltaAngle;
+		orientMe(angle);
+	}
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+// Draw ground
+
+	glColor3f(0.9f, 0.9f, 0.9f);
+	glBegin(GL_QUADS);
+		glVertex3f(-100.0f, 0.0f, -100.0f);
+		glVertex3f(-100.0f, 0.0f,  100.0f);
+		glVertex3f( 100.0f, 0.0f,  100.0f);
+		glVertex3f( 100.0f, 0.0f, -100.0f);
+	glEnd();
+
+// Draw 36 SnowMen
+
+	for(i = -3; i < 3; i++)
+		for(j = -3; j < 3; j++) {
+			glPushMatrix();
+			glTranslatef(i*10.0,0,j * 10.0);
+			glCallList(snowman_display_list);;
+			glPopMatrix();
+		}
+	glutSwapBuffers();
+}
+
+    
+void pressKey(int key, int x, int y) {
+
+	switch (key) {
+		case GLUT_KEY_LEFT : 
+			deltaAngle = -0.01f;break;
+		case GLUT_KEY_RIGHT : 
+			deltaAngle = 0.01f;break;
+		case GLUT_KEY_UP : 
+			deltaMove = 1;break;
+		case GLUT_KEY_DOWN : 
+			deltaMove = -1;break;
+	}
+}
+
+void releaseKey(int key, int x, int y) {
+
+	switch (key) {
+		case GLUT_KEY_LEFT : 
+		case GLUT_KEY_RIGHT : 
+			deltaAngle = 0.0f;break;
+		case GLUT_KEY_UP : 
+		case GLUT_KEY_DOWN : 
+			deltaMove = 0;break;
+	}
+}
+
+    
+int main(int argc, char **argv)
+{
+	glutInit(&argc, argv);
+	glutInitDisplayMode(GLUT_DEPTH | GLUT_DOUBLE | GLUT_RGBA);
+	glutInitWindowPosition(100,100);
+	glutInitWindowSize(640,360);
+	glutCreateWindow("SnowMen from 3D-Tech");
+
+	initScene();
+
+	glutIgnoreKeyRepeat(1);
+	glutSpecialFunc(pressKey);
+	glutSpecialUpFunc(releaseKey);
+
+	glutDisplayFunc(renderScene);
+	glutIdleFunc(renderScene);
+
+	glutReshapeFunc(changeSize);
+
+	glutMainLoop();
+
+	return(0);
+}
+
+