Adelson's Checker-Shadow Illusion

altunenes · Oct 27, 2024 · 215d742 · 215d742
1 parent ca20552
commit 215d742
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/shaders/adelson.wgsl b/shaders/adelson.wgsl
@@ -124,7 +124,7 @@ fn render(ro: vec3<f32>, rd: vec3<f32>) -> vec3<f32> {
         }
 
         let diff = max(dot(n, LIGHT_DIR), 0.0);
-        let amb = 0.099;
+        let amb = params.blue;
 
         let isDot = dotss(p.xz);
         if (isDot < 0.5 || res.y > 0.5) {
@@ -140,7 +140,7 @@ fn render(ro: vec3<f32>, rd: vec3<f32>) -> vec3<f32> {
 fn main(@builtin(position) FragCoord: vec4<f32>) -> @location(0) vec4<f32> {
     let resolution = vec2<f32>(1920.0, 1080.0); 
     var uv = (vec2<f32>(FragCoord.x / resolution.x, 1.0 - FragCoord.y / resolution.y) * 2.0 - vec2<f32>(1.0, 1.0));    
-    let angle = u_time.time * params.blue* PI / 30.0;
+    let angle = u_time.time * 2.0* PI / 30.0;
     let camHeight = 2.0;
     let camDist = 1.5;
     let la = clamp(angle, -1.0472, 1.0472);

diff --git a/src/adelson.rs b/src/adelson.rs
@@ -48,7 +48,7 @@ fn update(app: &App, model: &mut Model, update: Update) {
         ui.add(egui::Slider::new(&mut model.settings.theta, 0.0..=5.0).text("CYLINDER_HEIGHT"));
         ui.add(egui::Slider::new(&mut model.settings.sigma, 0.0..=2.0).text("CYLINDER_RADIUS"));
         ui.add(egui::Slider::new(&mut model.settings.gamma, 0.0..=2.0).text("gamma"));
-        ui.add(egui::Slider::new(&mut model.settings.blue, 1.0..=4.0).text("b"));
+        ui.add(egui::Slider::new(&mut model.settings.blue, 0.0..=0.1).text("Illusion_constant"));
 
     });
     let params_data = [model.settings.lambda, model.settings.theta, model.settings.sigma,model.settings.gamma,model.settings.blue];
@@ -146,7 +146,7 @@ fn model(app: &App) -> Model {
         theta:0.8,
         sigma:0.2,
         gamma:0.4545,
-        blue:2.0,
+        blue:0.095,
         show_ui:true,
     };
     let params_data = [settings.lambda, settings.theta, settings.sigma,settings.gamma,settings.blue];