keeps track of iterations glaobally, fix endless loop at min border

src/scene/generators.rs

@@ -58,8 +58,8 @@ pub fn generate_test_scene(scene: &mut Scene, data: &mut AppData) -> Result<(Poi
         pos: vec3(10.0, 10.0, 10.0),
         color: vec3(0.0, 0.0, 0.9),
         tex_coord: vec2(0.0, 0.0),
-        transparent: false,
-        roughness: 128,
+        transparent: true,
+        roughness: 32,
     };
     oct_tree1.set_cube(cube.clone());
 
@@ -67,8 +67,8 @@ pub fn generate_test_scene(scene: &mut Scene, data: &mut AppData) -> Result<(Poi
         pos: vec3(10.0, 10.0, 9.0),
         color: vec3(0.0, 0.0, 0.9),
         tex_coord: vec2(0.0, 0.0),
-        transparent: false,
-        roughness: 128,
+        transparent: true,
+        roughness: 32,
     };
     oct_tree1.set_cube(cube.clone());
 
@@ -91,7 +91,7 @@ pub fn generate_test_scene(scene: &mut Scene, data: &mut AppData) -> Result<(Poi
     };
     oct_tree2.set_cube(cube.clone());
 
-    scene.point_lights.push(Rc::new(RefCell::new(PointLight { pos: vec3(11.0 + grid_size as f32, 11.0 + grid_size as f32, 11.0) * scale, color: vec3(1.0, 1.0, 1.0), memory_start: 0 })));
+    scene.point_lights.push(Rc::new(RefCell::new(PointLight { pos: vec3(11.0 + grid_size as f32, 11.0 + grid_size as f32, 11.0) * scale, color: vec3(2.0, 2.0, 2.0), memory_start: 0 })));
     scene.point_lights.push(Rc::new(RefCell::new(PointLight { pos: vec3(9.0 + grid_size as f32, 9.0 + grid_size as f32, 11.0) * scale, color: vec3(0.5, 0.5, 0.5), memory_start: 0 })));
     scene.directional_lights.push(Rc::new(RefCell::new(DirectionalLight { direction: vec3(1.0, 1.0, -1.0), color: vec3(0.1, 0.1, 0.1), memory_start: 0 })));