Improve emmision animation

gam0022 · gam0022 · commit 67e3397b9214 · 2017-12-25T00:39:30.000+09:00
diff --git a/Assets/Demo/World.shader b/Assets/Demo/World.shader
@@ -112,7 +112,9 @@ float4 _FloorSpecular;
 
 inline void PostEffect(RaymarchInfo ray, inout PostEffectOutput o)
 {
-    o.emission = half4(2.0, 2.0, 5.0, 1.0) * abs(sin(PI * 12.0 * _Time.x)) * step(frac(ray.endPos.y - 4.0 * _Time.x), 0.02);
+    float a = frac(4.0 * ray.endPos.y - 2.0 * _Time.x - 0.5);
+    float width = 0.02;
+    o.emission = half4(2.0, 2.0, 5.0, 1.0) * abs(sin(PI * 12.0 * _Time.x)) * step(a, width) * ((a + 0.5 * width) / width);
  
     if (abs(dInnerPillar(ray.endPos)) < ray.minDistance)
     {

Original file line number	Diff line number	Diff line change
`@@ -112,7 +112,9 @@ float4 _FloorSpecular;`
`112`	`112`
`113`	`113`	`inline void PostEffect(RaymarchInfo ray, inout PostEffectOutput o)`
`114`	`114`	`{`
`115`		`- o.emission = half4(2.0, 2.0, 5.0, 1.0) * abs(sin(PI * 12.0 * _Time.x)) * step(frac(ray.endPos.y - 4.0 * _Time.x), 0.02);`
	`115`	`+ float a = frac(4.0 * ray.endPos.y - 2.0 * _Time.x - 0.5);`
	`116`	`+ float width = 0.02;`
	`117`	`+ o.emission = half4(2.0, 2.0, 5.0, 1.0) * abs(sin(PI * 12.0 * _Time.x)) * step(a, width) * ((a + 0.5 * width) / width);`
`116`	`118`
`117`	`119`	`if (abs(dInnerPillar(ray.endPos)) < ray.minDistance)`
`118`	`120`	`{`