X-Git-Url: https://git.ucc.asn.au/?p=atyndall%2Fcits2231.git;a=blobdiff_plain;f=scene.c;h=8bf5f29af54349a1fe4e23882d00b46c5fd07930;hp=4514e794fd95e161a3cc03d8aff00adb41559c83;hb=dd422a5ff7cb12b97fd62c92971e2debf043d237;hpb=c211ae308b321f2988f4caa28cb828bd68308700

diff --git a/scene.c b/scene.c
index 4514e79..8bf5f29 100644
--- a/scene.c
+++ b/scene.c
@@ -1,6 +1,6 @@
 /**
  * CITS2231 Graphics Scene Editor
- * @author Ashley Tyndall (20915779)
+ * @author Ashley Tyndall (20915779), Jenna de la Harpe (20367932)
  */
 
 #include <stdlib.h>
@@ -110,8 +110,8 @@ void processLightEvents(int id) {
  * @param id ID of object selected
  */
 void processObjectEvents(int id) {
-  // **NOTE: For the testing phase, only have the teapot
   addSceneObject(id);
+  manipulateState = STATE_OBJECT_POSITION_SCALE;
   glutPostRedisplay();
 }
 
@@ -299,21 +299,47 @@ void motion(int x, int y) {
       break;
 
     case STATE_OBJECT_POSITION_SCALE:
-      //SceneObject co = sceneObjs[curObject];
-
+      //so.x, so.y, so.z
       if ( buttonSelected == GLUT_LEFT_BUTTON ) {
         // w: left/right, h: near/far
-        
+        //sceneObjs[curObject].x += (x - startx)*leftrightFactor;
       } else if ( buttonSelected == GLUT_MIDDLE_BUTTON ) {
         // w: big/small, h: up/down
+
+        // For big/small scaling, we map negative numbers to 0->1 and positive numbers to 1->inf
+        float diff = (y - starty);
+        float map = (diff - -((float)height/2))/(0 - -((float)height/2));
+        float scaling;
+
+        if ( diff < 0 ) {
+          scaling = map;
+        } else {
+          scaling = pow(1/map, diff);
+        }
+
+        if ( scaling != 0 ) {
+       
+          
+          sceneObjs[curObject].scale[0] *= scaling;
+          sceneObjs[curObject].scale[1] *= scaling;
+          sceneObjs[curObject].scale[2] *= scaling;
+          printf("Diff is %f, Scaling by %f on all axii\n", diff, sceneObjs[curObject].scale[0]);
+
+        }
+
+        starty = y;
       }
+
+      startx = x;
       break;
 
     case STATE_OBJECT_ROTATION_TEXTURE_SCALE:
       if ( buttonSelected == GLUT_LEFT_BUTTON ) {
         // w: rotate on width, h: rotate on h
+
       } else if ( buttonSelected == GLUT_MIDDLE_BUTTON ) {
-        // w & h, rotate on h
+        // w: rotate on height, h: texture scale
+        
       }
       break;