Wip BVH + BVH debugging tools

2 files changed, 25 insertions, 5 deletions

diff --git a/src/main.cpp b/src/main.cpp
index 071903a..19b7b54 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -103,8 +103,8 @@ int main() {
                 }
                 case EVENT_TYPES::KEY_PRESS: {
                     auto move_speed = 0.01f * delta_time;
-                    if (wnd.keyboard[KEYS::LSHIFT] || wnd.keyboard[KEYS::RSHIFT]) {
-                        move_speed *= 2.f;
+                    if (wnd.keyboard[KEYS::LSHIFT] || wnd.keyboard[KEYS::RSHIFT] || wnd.keyboard[KEYS::SHIFT]) {
+                        move_speed *= 10.f;
                     }
 
                     vec3 move_vec {};
@@ -126,6 +126,14 @@ int main() {
                             move_vec = -((input_data*) renderer.compute_shader_buffer.alloc_info.pMappedData)->cam.right.unit() * move_speed;
                             break;
                         }
+                        case KEYS::SPACE: {
+                            move_vec = ((input_data*) renderer.compute_shader_buffer.alloc_info.pMappedData)->cam.up.unit() * move_speed;
+                            break;
+                        }
+                        case KEYS::CTRL: {
+                            move_vec = -((input_data*) renderer.compute_shader_buffer.alloc_info.pMappedData)->cam.up.unit() * move_speed;
+                            break;
+                        }
                         default:
                             break;
                     }
@@ -183,6 +191,10 @@ int main() {
 
         ImGui::SliderInt("bounces", (int32_t*)&((input_data*) renderer.compute_shader_buffer.alloc_info.pMappedData)->max_bounce, 2, 250);
 
+        if (ImGui::Checkbox("debug bvh", (bool*)&((input_data*) renderer.compute_shader_buffer.alloc_info.pMappedData)->debug_bvh)) {
+            reset_accumulation = true;
+        }
+
         ImGui::End();
 
         ImGui::EndFrame();
@@ -226,6 +238,7 @@ int main() {
     //     write_color(std::cout, output_image[index]);
     // }
 
+
     std::cerr << "Done !" << std::endl;
 
     return 0;
diff --git a/src/utils.cpp b/src/utils.cpp
index 6467563..bbf8ea4 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -106,12 +106,12 @@ uint32_t random_scene(sphere *world) {
 
     material material4 = {};
     material4.albedo = color{ 0.0, 0.0, 0.0 };
-    material4.emissive = color{ 1.0, 1.0, 1.0 } * 100.0;
+    material4.emissive = color{ 1.0, 1.0, 1.0 } * 100000.0;
     material4.fuzz = 0.0;
     material4.type = MATERIAL_TYPE::EMISSIVE;
     world[world_sphere_index + 3] = { { 2, 1.5, 2 }, material4, 0.5 };
 
-    return world_sphere_index + 3;
+    return world_sphere_index + 4;
 }
 
 struct input_data create_inputs(uint32_t width, uint32_t height) {
@@ -141,6 +141,7 @@ struct input_data create_inputs(uint32_t width, uint32_t height) {
         .height = height,
 
         .sample_index = 0,
+        .debug_bvh = false,
     };
 
     // World hittable objects
@@ -148,7 +149,13 @@ struct input_data create_inputs(uint32_t width, uint32_t height) {
 
     inputs.spheres_count = spheres_count;
 
-    inputs.nodes[0] = { inputs.spheres, 0, spheres_count, inputs.nodes, 1 };
+    bvh builder;
+    builder.build(inputs.spheres, spheres_count);
+    builder.exporter();
+
+    for (uint32_t idx = 0; idx < builder.nodes.size(); idx++) {
+        inputs.nodes[idx] = builder.nodes[idx];
+    }
 
     return inputs;
 }