diff options
Diffstat (limited to 'src/gpu/effects/flash_cube_effect.cc')
| -rw-r--r-- | src/gpu/effects/flash_cube_effect.cc | 60 |
1 files changed, 32 insertions, 28 deletions
diff --git a/src/gpu/effects/flash_cube_effect.cc b/src/gpu/effects/flash_cube_effect.cc index 44f6e2b..1c7b70c 100644 --- a/src/gpu/effects/flash_cube_effect.cc +++ b/src/gpu/effects/flash_cube_effect.cc @@ -1,5 +1,6 @@ // This file is part of the 64k demo project. -// It implements the FlashCubeEffect - a flashing background cube with Perlin noise. +// It implements the FlashCubeEffect - a flashing background cube with Perlin +// noise. #include "gpu/effects/flash_cube_effect.h" #include "generated/assets.h" @@ -30,13 +31,14 @@ void FlashCubeEffect::init(MainSequence* demo) { texture_manager_.init(device_, queue_); // Load Perlin noise texture - size_t size = 0; - const uint8_t* noise_data = GetAsset(AssetId::ASSET_NOISE_TEX, &size); - if (noise_data && size == 256 * 256 * 4) { - texture_manager_.create_texture("noise", 256, 256, noise_data); + TextureAsset noise_tex = GetTextureAsset(AssetId::ASSET_NOISE_TEX); + if (noise_tex.pixels && noise_tex.width == 256 && noise_tex.height == 256) { + texture_manager_.create_texture("noise", noise_tex.width, noise_tex.height, + noise_tex.pixels); renderer_.set_noise_texture(texture_manager_.get_texture_view("noise")); } else { - std::cerr << "Failed to load NOISE_TEX asset for FlashCubeEffect." << std::endl; + std::cerr << "Failed to load NOISE_TEX asset for FlashCubeEffect." + << std::endl; } // Create a very large background cube @@ -44,51 +46,53 @@ void FlashCubeEffect::init(MainSequence* demo) { scene_.clear(); Object3D cube(ObjectType::BOX); cube.position = vec3(0, 0, 0); - cube.scale = vec3(100.0f, 100.0f, 100.0f); // Much larger cube - cube.color = vec4(0.3f, 0.3f, 0.5f, 1.0f); // Dark blue base color + cube.scale = vec3(100.0f, 100.0f, 100.0f); // Much larger cube + cube.color = vec4(0.3f, 0.3f, 0.5f, 1.0f); // Dark blue base color scene_.add_object(cube); } void FlashCubeEffect::render(WGPURenderPassEncoder pass, float time, float beat, - float intensity, float aspect_ratio) { - // Detect beat changes for flash trigger (using intensity as proxy for beat hits) - // Intensity spikes on beats, so we can use it to trigger flashes - if (intensity > 0.5f && flash_intensity_ < 0.3f) { // High intensity + flash cooled down - flash_intensity_ = 1.0f; // Trigger full flash + float intensity, float aspect_ratio) { + // Detect beat changes for flash trigger (using intensity as proxy for beat + // hits) Intensity spikes on beats, so we can use it to trigger flashes + if (intensity > 0.5f && + flash_intensity_ < 0.3f) { // High intensity + flash cooled down + flash_intensity_ = 1.0f; // Trigger full flash } // Exponential decay of flash - flash_intensity_ *= 0.90f; // Slower fade for more visible effect + flash_intensity_ *= 0.90f; // Slower fade for more visible effect // Always have base brightness, add flash on top float base_brightness = 0.2f; - float flash_boost = base_brightness + flash_intensity_ * 0.8f; // 0.2 to 1.0 range + float flash_boost = + base_brightness + flash_intensity_ * 0.8f; // 0.2 to 1.0 range - scene_.objects[0].color = vec4( - 0.4f * flash_boost, // Reddish tint - 0.6f * flash_boost, // More green - 1.0f * flash_boost, // Strong blue for background feel - 1.0f - ); + scene_.objects[0].color = + vec4(0.4f * flash_boost, // Reddish tint + 0.6f * flash_boost, // More green + 1.0f * flash_boost, // Strong blue for background feel + 1.0f); // Slowly rotate the cube for visual interest - scene_.objects[0].rotation = quat::from_axis(vec3(0.3f, 1, 0.2f), time * 0.05f); + scene_.objects[0].rotation = + quat::from_axis(vec3(0.3f, 1, 0.2f), time * 0.05f); // Position camera OUTSIDE the cube looking at it from a distance // This way we see the cube as a background element - float cam_distance = 150.0f; // Much farther to ensure it's behind everything + float cam_distance = 150.0f; // Much farther to ensure it's behind everything float orbit_angle = time * 0.1f; camera_.set_look_at( vec3(std::sin(orbit_angle) * cam_distance, std::cos(orbit_angle * 0.3f) * 30.0f, - std::cos(orbit_angle) * cam_distance), // Camera orbits around - vec3(0, 0, 0), // Look at cube center - vec3(0, 1, 0) - ); + std::cos(orbit_angle) * cam_distance), // Camera orbits around + vec3(0, 0, 0), // Look at cube center + vec3(0, 1, 0)); camera_.aspect_ratio = aspect_ratio; - // Extend far plane to accommodate distant camera position (150 units + cube size) + // Extend far plane to accommodate distant camera position (150 units + cube + // size) camera_.far_plane = 300.0f; // Draw the cube |