Changeset 2952 in orxonox.OLD for orxonox/trunk

Timestamp:

Nov 21, 2004, 11:40:54 PM (20 years ago)

Author:

bensch

Message:

orxonox/trunk/importer: rotation with quaternion implemented (thanks for quaternion and vector classes). Only left and right are wrong now

Location:

orxonox/trunk/importer

Files:

• framework.cc (modified) (8 diffs)
• framework.h (modified) (2 diffs)

orxonox/trunk/importer/framework.cc

@@ -14 +14 @@
   rotatorP += rotatorV *(float)dt;
   
+
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
   glLoadIdentity(); // Reset the view
@@ -20 +21 @@
   glLoadIdentity();     
   gluPerspective(45.0f,500/375,0.1f,dist * 5.0f);
-  gluLookAt (dist*sin(rotatorP),dist ,dist*cos(rotatorP), 0,0,0, 0,1,0);
+  gluLookAt (dist* dir.x, dist *dir.y, dist *dir.z, 0,0,0, 0,1,0);
 
   obj->draw();
@@ -52 +53 @@
     obj = new Object();
   
+  M = Vector(wHandler.screen->w/2, wHandler.screen->h/2, 0); 
+  rotAxis = Vector (0.0,1.0,0.0);
+  rotAngle = 0;
+  rotQ = Quaternion (rotAngle, rotAxis);
+
+  dir = Vector (0.0, 0.0, 1.0);
+
   glEnable(GL_LIGHTING);
   glEnable(GL_DEPTH_TEST);
@@ -77 +85 @@
   // Hide the mouse cursor
     SDL_ShowCursor(2);
+    mouse1Down = false;
 
   // This is the main loop for the entire program and it will run until done==TRUE
@@ -92 +101 @@
                  event.motion.xrel, event.motion.yrel,
                  event.motion.x, event.motion.y);
+        // TRACKBALL
+        if (mouse1Down)
+          {
+            Vector tmpV (event.button.x, event.button.y, 2.0*sqrt ( (float) event.button.x * event.button.x *event.button.y * event.button.y / (wHandler.screen->h *wHandler.screen->h)));
+            p2 = tmpV-M;
+            
+            rotAxis = p1.cross(p2);
+            rotAngle = angle_deg (p1, p2)/1000;
+            rotQ = Quaternion (rotAngle, rotAxis);
+            dir = rotQ.apply(dir);
+            dir.normalize();
+            printf ("%f, %f, %f, %f\n", dir.x, dir.y, dir.z, rotAngle);
+
+            p1 = p2;
+          }
         break;
       case SDL_MOUSEBUTTONDOWN:
@@ -104 +128 @@
             zoomTo *= 2.0;
           }
+        else if (event.button.button == 1)
+          {
+            mouse1Down = true;
+            Vector tmpV (event.button.x, event.button.y, 2.0*sqrt ( (float) event.button.x * event.button.x *event.button.y * event.button.y / (wHandler.screen->h *wHandler.screen->h)));
+            p1 = tmpV-M;
+
+          }
         else
           {
@@ -112 +143 @@
             
         break;
-            /*      case SDL_MOUSEBUTTONUP:
+      case SDL_MOUSEBUTTONUP:
+        if (event.button.button == 4);
+        else if (event.button.button == 5);
+        else if (event.button.button == 1)
+          mouse1Down =false;
+        else 
+            {
         printf("MouseButton %d released at (%d,%d).\n",
                event.button.button, event.button.x, event.button.y);
+            }
         break;
-            */
+            
         // If a quit event was recieved
       case SDL_QUIT:
@@ -125 +163 @@
           break;
       }
+
+
     }
 

orxonox/trunk/importer/framework.h

@@ -8 +8 @@
 float rotatorP;
 float rotatorV;
+
 float dist;
 float zoomTo;
@@ -15 +16 @@
 Uint32 dt;
 
+
+Vector dir;
+Vector M;
+Vector p1;
+Vector p2;
+Vector rotAxis;
+float rotAngle;
+Quaternion rotQ;
+
+bool mouse1Down;
+
 WindowHandler wHandler;  // Create an instance of the whandler basecode class
 Object* obj;