diff options
Diffstat (limited to 'src/rendering/scene_renderer.cpp')
| -rw-r--r-- | src/rendering/scene_renderer.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/rendering/scene_renderer.cpp b/src/rendering/scene_renderer.cpp index 5ee7657..50b666d 100644 --- a/src/rendering/scene_renderer.cpp +++ b/src/rendering/scene_renderer.cpp @@ -42,6 +42,9 @@ namespace Donut struct SkyboxUBO { glm::mat4 projection; glm::mat4 view; }; static_assert(sizeof(SkyboxUBO) == 128, "SkyboxUBO std140 layout mismatch"); + + // The hole's event horizon (1 r_s) as a marker at the origin. + constexpr float BH_SCENE_RADIUS = SCENE_UNITS_PER_RS; } auto SceneRenderer::init(RHI::Device& device) -> bool @@ -137,6 +140,8 @@ namespace Donut m_skybox_pipeline = device.create_pipeline(d); } + m_bh_ubo = device.create_buffer(BufferType::Uniform, sizeof(SphereUBO)); + DONUT_INFO("SceneRenderer ready ({} grid verts, {} sphere indices, skybox)", m_grid_vertex_count, m_sphere_index_count); return true; @@ -196,6 +201,26 @@ namespace Donut cmd.bind_index_buffer(m_sphere_ib.get()); cmd.draw_indexed(m_sphere_index_count); } + + // Black-hole marker: a near-black sphere at the origin (radius = r_s in + // scene units), so the Scene shows where the hole the Simulation renders + // sits. 1 grid unit == 1 Schwarzschild radius. + SphereUBO bh{}; + bh.view_projection = vp; + bh.transform = glm::scale(glm::mat4(1.0f), glm::vec3(BH_SCENE_RADIUS)); + bh.color = glm::vec3(0.02f); // near-black event horizon + bh.specular = 0.10f; + bh.light_pos = glm::vec3(10.0f, 20.0f, 10.0f); + bh.camera_pos = cam.position; + bh.is_selected = 1; // reuse the rim as an + bh.outline_color = glm::vec3(0.98f, 0.62f, 0.20f); // amber accretion glow + bh.outline_width = 0.30f; + m_bh_ubo->update(&bh, sizeof(bh)); + cmd.bind_uniform(0, m_bh_ubo.get()); + cmd.bind_texture(1, cubemap); + cmd.bind_vertex_buffer(m_sphere_vb.get()); + cmd.bind_index_buffer(m_sphere_ib.get()); + cmd.draw_indexed(m_sphere_index_count); } // Transparent grid on top (tests depth, doesn't write). |