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Now that I can pack integer and float data into one uniform buffer, time.seconds can be represented as a float while time.frames is an integer.

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Rezmason
2021-10-29 09:02:20 -07:00
parent f9b80224fe
commit 23d397fa11
2 changed files with 13 additions and 10 deletions
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16
shaders/rainRenderPass.wgsl
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@@ -18,8 +18,8 @@ let TWO_PI:f32 = 6.28318530718;
[[group(0), binding(3)]] var msdfTexture: texture_2d<f32>;
[[block]] struct Time {
now: i32;
frame: i32;
seconds:f32;
frames:i32;
};
[[group(0), binding(4)]] var<uniform> time:Time;
@@ -63,7 +63,12 @@ struct VertexOutput {
// position = position * scene.screenSize;
var depth:f32 = 0.0;
var pos: vec4<f32> = vec4<f32>(position, depth, 1.0);
// depth = -0.5
// + sin(time.seconds * 2.0 + f32(cellPosition.x) / f32(config.numColumns) * 10.0) * 0.2
// + sin(time.seconds * 2.0 + f32(cellPosition.y) / f32(config.numColumns) * 10.0) * 0.2;
var pos:vec4<f32> = vec4<f32>(position, depth, 1.0);
pos.x = pos.x / config.glyphHeightToWidth;
pos = scene.camera * scene.transform * pos;
@@ -77,9 +82,8 @@ struct VertexOutput {
[[stage(fragment)]] fn fragMain([[location(0)]] UV:vec2<f32>) -> [[location(0)]] vec4<f32> {
var color:vec4<f32> = textureSample(msdfTexture, msdfSampler, UV / f32(msdf.glyphTextureColumns));
// color.b = color.b * (sin(f32(time.now) / 1000.0 * TWO_PI) * 0.5 + 0.5);
color.b = color.b * f32(time.frame / 60 % 2);
var now = time.now;
// color.b = color.b * (sin(time.seconds * TWO_PI) * 0.5 + 0.5);
color.b = color.b * f32(time.frames / 60 % 2);
return color;
}