Merge remote-tracking branch 'origin/master'

Source/lattice.cpp

@@ -11,7 +11,7 @@
 Lattice::Lattice(int w, int h) {
     width = w;
     height = h;
-    tilegap = 3;
+    tilegap = 2;
     lastindex = -1;
     tiles = new Tile[width*height];
     for (int i = 0; i < (width*height); i++) {

Source/main.cpp

@@ -110,7 +110,7 @@ Cloud cloud(0,                             //  Particles
 
 VoxelSystem voxels(0, box);
 
-Lattice lattice(15,10);
+Lattice lattice(160,100);
 Finger myFinger(WIDTH, HEIGHT);
 
 #define RENDER_FRAME_MSECS 8
@@ -119,7 +119,7 @@ int steps_per_frame = 0;
 
 float yaw =0.f;                         //  The yaw, pitch for the avatar head
 float pitch = 0.f;                      //      
-float start_yaw = 135.0;
+float start_yaw = 116;
 float render_yaw = start_yaw;
 float render_pitch = 0.f;
 float render_yaw_rate = 0.f;
@@ -129,7 +129,10 @@ float lateral_vel = 0.f;
 // Manage speed and direction of motion
 GLfloat fwd_vec[] = {0.0, 0.0, 1.0};
 //GLfloat start_location[] = { WORLD_SIZE*1.5, -WORLD_SIZE/2.0, -WORLD_SIZE/3.0};
-GLfloat start_location[] = { 0.1, -0.15, 0.1};
+//GLfloat start_location[] = { 0.1, -0.15, 0.1};
+
+GLfloat start_location[] = {6.1, -2.0, 1.4};
+
 GLfloat location[] = {start_location[0], start_location[1], start_location[2]};
 float fwd_vel = 0.0f;
 
@@ -253,10 +256,11 @@ void display_stats(void)
     }
 #endif
     
-    
     char adc[200];
-	sprintf(adc, "location = %3.1f,%3.1f,%3.1f", 
-            location[0], location[1], location[2] 
+	sprintf(adc, "location = %3.1f,%3.1f,%3.1f, angle_to(origin) = %3.1f, head yaw = %3.1f, render_yaw = %3.1f",
+            -location[0], -location[1], -location[2],
+            angle_to(myHead.getPos()*-1.f, glm::vec3(0,0,0), render_yaw, myHead.getYaw()),
+            myHead.getYaw(), render_yaw
             );
     drawtext(10, 50, 0.10, 0, 1.0, 0, adc);
      
@@ -564,7 +568,7 @@ void display(void)
         glMaterialfv(GL_FRONT, GL_SPECULAR, specular_color);
         glMateriali(GL_FRONT, GL_SHININESS, 96);
            
-        //  Rotate, translate to camera location 
+        //  Rotate, translate to camera location
         glRotatef(render_pitch, 1, 0, 0);
         glRotatef(render_yaw, 0, 1, 0);
         glTranslatef(location[0], location[1], location[2]);
@@ -596,7 +600,7 @@ void display(void)
      
     
         if (!display_head) balls.render();
-            
+    
         //  Render the world box 
         if (!display_head && stats_on) render_world_box();
     
@@ -618,7 +622,8 @@ void display(void)
         glDisable(GL_DEPTH_TEST);
         glDisable(GL_LIGHTING);
 
-//        lattice.render(WIDTH, HEIGHT);
+        //lattice.render(WIDTH, HEIGHT);
+
         //drawvec3(100, 100, 0.15, 0, 1.0, 0, myHead.getPos(), 0, 1, 0);
         glPointParameterfvARB( GL_POINT_DISTANCE_ATTENUATION_ARB, pointer_attenuation_quadratic );
 

Source/util.cpp

@@ -19,6 +19,17 @@ float randFloat () {
     return (rand()%10000)/10000.f;
 }
 
+//  Return the azimuth angle in degrees between two points.
+float azimuth_to(glm::vec3 head_pos, glm::vec3 source_pos) {
+    return atan2(head_pos.x - source_pos.x, head_pos.z - source_pos.z) * 180 / PI;
+}
+
+//  Return the angle in degrees between the head and an object in the scene.  The value is zero if you are looking right at it.  The angle is negative if the object is to your right.   
+float angle_to(glm::vec3 head_pos, glm::vec3 source_pos, float render_yaw, float head_yaw) {
+    return atan2(head_pos.x - source_pos.x, head_pos.z - source_pos.z) * 180 / PI + render_yaw + head_yaw;
+}
+
+
 
 void render_vector(glm::vec3 * vec)
 {

Source/util.h

@@ -11,6 +11,9 @@
 
 #include "glm.hpp"
 
+float azimuth_to(glm::vec3 head_pos, glm::vec3 source_pos);
+float angle_to(glm::vec3 head_pos, glm::vec3 source_pos, float render_yaw, float head_yaw);
+
 void outstring(char * string, int length);
 float randFloat();
 void render_world_box();