X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=2f45633317dc6526b725347353fe82d3aedc8e50;hp=ca81321404a2bbfb0f0d073b6c1b3aaea30d51b0;hb=65f3d838461588453f40f54c884a48bc0a44e8fc;hpb=3affec0660cc9e92f4dc1c23af711b09a9d72866

diff --git a/scene.c b/scene.c
index ca81321..2f45633 100644
--- a/scene.c
+++ b/scene.c
@@ -206,16 +206,6 @@ void mouse(int button, int state, int x, int y) {
       moving = 0;
     }
   }
-  if (button == GLUT_MIDDLE_BUTTON) {
-    if (state == GLUT_DOWN) {
-      lightMoving = 1;
-      lightStartX = x;
-      lightStartY = y;
-    }
-    if (state == GLUT_UP) {
-      lightMoving = 0;
-    }
-  }
 }
 
 /**
@@ -266,8 +256,8 @@ void keyboard(unsigned char key, int x, int y) {
  */
 void motion(int x, int y) {
   if (moving) {
-    angle = angle + (x - startx);
-    angle2 = angle2 + (y - starty);
+    zoomFactor += (y - starty);
+    rotateFactor += (x - startx);
     startx = x;
     starty = y;
     glutPostRedisplay();
@@ -308,13 +298,19 @@ void display() {
   glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();
 
+  GLfloat zcoord = 5.0 + (zoomFactor*0.2);
+  if ( zcoord < 0.0 ) {
+    zcoord = 0.0;
+    zoomFactor = 0.0;
+  }
+
   gluLookAt(
-    0.0,  0.0,  5.0,  /* eye is at (x,y,z) */
+    0.0,  0.0,  zcoord,  /* 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(75.0, 1.0, 0.0, 0.0);
+  glRotatef(50.0, 1.0, 0.0, 0.0);
 
   /* Reposition the light source. */
   lightPosition[0] = 12*cos(lightAngle);
@@ -322,13 +318,16 @@ void display() {
   lightPosition[2] = 12*sin(lightAngle);
   lightPosition[3] = 0.0;
 
+
+    //glRotatef(angle, 0.0, 1.0, 0.0);
+   // glRotatef(angle2, 1.0, 0.0, 0.0);
+
   glPushMatrix();
 
     /* Perform scene rotations based on user mouse/keyboard input. */
-    glRotatef(angle, 0.0, 1.0, 0.0);
-    glRotatef(angle2, 1.0, 0.0, 0.0);
-    glTranslatef(camx, camy, camz);
-    glRotatef(rot, 1.0, 0.0, 0.0);
+    glRotatef(rotateFactor*0.5, 0.0, 1.0, 0.0);
+    //glTranslatef(camx, camy, camz);
+    //glRotatef(rot, 1.0, 0.0, 0.0);
 
     glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
 
@@ -341,7 +340,7 @@ void display() {
       glTranslatef(0.0, 0.5, 0.0); // **NOTE: Teapot currently does not rest on surface
       glColor3f(0.0, 0.0, 0.0);
       glFrontFace(GL_CW);
-        glutSolidTeapot(1);
+      glutSolidTeapot(1);
       glFrontFace(GL_CCW);
     glPopMatrix();