diff options
Diffstat (limited to 'themes/src/spring/SpringTheme.cpp')
| -rw-r--r-- | themes/src/spring/SpringTheme.cpp | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/themes/src/spring/SpringTheme.cpp b/themes/src/spring/SpringTheme.cpp deleted file mode 100644 index e39c138..0000000 --- a/themes/src/spring/SpringTheme.cpp +++ /dev/null @@ -1,208 +0,0 @@ -#include "SpringTheme.hpp" -#include "../Renderer3d.h" -#include "../shader_fetcher.hpp" -#include <cstdio> -#include <emscripten/fetch.h> - -void onBunnySuccess(emscripten_fetch_t *fetch) { - SpringTheme* springTheme = (SpringTheme*)fetch->userData; - springTheme->state = SpringThemeState::LoadedBunny; - printf("Finished downloading %llu bytes from URL %s.\n", fetch->numBytes, fetch->url); - const i32 len = fetch->numBytes; - springTheme->bunnyMesh = Mesh3d_fromObj(&springTheme->renderer, fetch->data, len); - // The data is now available at fetch->data[0] through fetch->data[fetch->numBytes-1]; - emscripten_fetch_close(fetch); // Free data associated with the fetch. -} - -void onBunnyFail(emscripten_fetch_t *fetch) { - printf("Downloading %s failed, HTTP failure status code: %d.\n", fetch->url, fetch->status); - emscripten_fetch_close(fetch); // Also free data on failure. -} - -inline void fetch_bunny(SpringTheme* theme) { - emscripten_fetch_attr_t attr; - emscripten_fetch_attr_init(&attr); - strcpy(attr.requestMethod, "GET"); - attr.attributes = EMSCRIPTEN_FETCH_LOAD_TO_MEMORY; - attr.onsuccess = onBunnySuccess; - attr.onerror = onBunnyFail; - auto* bunny_fetch = emscripten_fetch(&attr, "themes/resources/bunny.obj"); - bunny_fetch->userData = theme; -} - -inline void on_shaders_loader(ShaderFetchResult* result) { - SpringTheme* theme = (SpringTheme*)result->user_data; - theme->renderer.load(theme->renderer.context, result->vertex.c_str(), result->fragment.c_str()); - theme->state = SpringThemeState::LoadedShader; - fetch_bunny(theme); -} - -SpringTheme::SpringTheme(WebglContext* context) -{ - load(context); -} - -SpringTheme::~SpringTheme() -{ - unload(); -} - -void SpringTheme::load(WebglContext* context) { - state = SpringThemeState::Loading; - renderer.context = context; - renderer.clearColor = Vector4(160, 231, 160, 255.f).toNormalizedColor(); - - fetch_shader( - { - "themes/src/_shaders/renderer3d.vert", - "themes/src/_shaders/renderer3d.frag" - }, - on_shaders_loader, - this - ); -} - -inline Vector3 bunnyLerp(Vector3& start, Vector3& target, f32 t) { - t = 3 * t *t - 2 * t * t * t; - return start + ((target - start) * t); -} - -inline f32 verticalHopLerp(f32 start, f32 target, f32 t) { - f32 ogt = t; - t = 3 * t *t - 2 * t * t * t; - if (ogt >= 0.5f) t = 1.f - t; - return start + ((target - start) * t); -} - -inline f32 rotationLerp(f32 start, f32 target, f32 t) { - return start + ((target - start) * t); -} - -void SpringTheme::update(f32 dtSeconds) { - switch (state) { - case SpringThemeState::Loading: return; - case SpringThemeState::LoadedShader: return; - case SpringThemeState::LoadedBunny: - state = SpringThemeState::Idle; - stateTimer = 0.f; - bunnyHopAnimationTimer = 0.f; - break; - case SpringThemeState::Idle: { - bunnyHopAnimationTimer += dtSeconds; - const f32 HOP_FREQUENCY = 6.f; - - if (bunnyHopAnimationTimer > stateTimer) { - state = SpringThemeState::PreHop; - f32 xDir = 1; - f32 yDir = 1; - if (bunnyTarget.x > 0) xDir = -1; - if (bunnyTarget.z > 0) yDir = -1; - bunnyTarget = bunnyPosition + Vector3(randomFloatBetween(0, xDir * 25), 0, randomFloatBetween(0, yDir * 25)); - auto direction = (bunnyTarget - bunnyPosition); - auto distance = direction.length(); - direction = direction.normalize(); - numHops = ceil(distance / HOP_FREQUENCY); - hopCount = 0; - - targetRotation = PI - atan2(direction.y, direction.x); - stateTimer = ((bunnyTarget - bunnyPosition).length() / bunnySpeed) / numHops; - bunnyHopAnimationTimer = 0.f; - hopIncrement = (bunnyTarget - bunnyPosition) / numHops; - } - break; - } - case SpringThemeState::PreHop: { - const f32 ROTATION_TIME = 0.5f; - bunnyHopAnimationTimer += dtSeconds; - f32 current = bunnyRotation + (targetRotation - bunnyRotation) * (bunnyHopAnimationTimer / ROTATION_TIME); - bunnyMesh.model = Mat4x4().rotate(0, current, 0).translate(bunnyPosition); - - if (bunnyHopAnimationTimer > ROTATION_TIME) { - bunnyRotation = targetRotation; - bunnyHopAnimationTimer = 0; - state = SpringThemeState::Hopping; - } - break; - } - case SpringThemeState::Hopping: { - bunnyHopAnimationTimer += dtSeconds; - f32 t = bunnyHopAnimationTimer / stateTimer; - - Vector3 nextPosition = bunnyPosition + hopIncrement; - auto renderPos = bunnyLerp(bunnyPosition, nextPosition, t); - if ((renderPos - nextPosition).length() < 0.01f) { - hopCount += 1; - bunnyHopAnimationTimer = 0.f; - bunnyPosition = nextPosition; - } - - renderPos.y = verticalHopLerp(0.f, 4.f, t); - - const f32 RMAX = PI / 16.f; - f32 zRotation = 0; - f32 start = 0.f; - f32 end = PI / 8.f; - f32 startTime = 0.f; - f32 endTime = 0.f; - bool disableRot = false; - - if (t >= 0.9f) { - disableRot = true; - } - else if (t >= 0.7f) { - start = -RMAX; - end = 0.f; - startTime = 0.7f; - endTime = 0.9f; - } - else if (t >= 0.50f) { - start = 0.f; - end = -RMAX; - startTime = 0.50f; - endTime = 0.70f; - } - else if (t >= 0.40f) { - disableRot = true; - } - else if (t >= 0.20f) { - start = RMAX; - end = 0.f; - startTime = 0.20f; - endTime = 0.40f; - } - else { - start = 0.f; - end = RMAX; - startTime = 0.f; - endTime = 0.20f; - } - - - if (!disableRot) { - f32 totalTime = endTime - startTime; - zRotation = rotationLerp(start, end, (totalTime - (endTime - t)) / totalTime); - } - - bunnyMesh.model = Mat4x4().getZRotationMatrix(zRotation).rotate(0, bunnyRotation, 0).translate(renderPos); - if (hopCount == numHops) { - bunnyPosition = bunnyTarget; - bunnyHopAnimationTimer = 0.f; - state = SpringThemeState::Idle; - stateTimer = randomFloatBetween(0.5f, 1.f); - } - break; - } - } -} - -void SpringTheme::render() { - renderer.render(); - if (state != SpringThemeState::Loading) { - bunnyMesh.render(&renderer); - } -} - -void SpringTheme::unload() { - renderer.unload(); - bunnyMesh.unload(); -} |