lks/waterfall-glow-rs
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Add waterfall scrolling

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This commit is contained in:
Lucas Schumacher 2024-05-05 21:08:50 -04:00
parent be70fa4a3d
commit c2c0cf7585
1 changed files with 6 additions and 1 deletions
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7
src/app/waterfall.rs
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@ -79,6 +79,10 @@ impl Waterfall {
); );
self.offset = (self.offset + 1) % 300; self.offset = (self.offset + 1) % 300;
if let Some(uniform) = gl.get_uniform_location(self.program, "offset") {
gl.uniform_1_f32(Some(&uniform), self.offset as f32 / 300.0);
}
// Draw the elements // Draw the elements
gl.draw_elements(glow::TRIANGLES, 6, glow::UNSIGNED_INT, 0); gl.draw_elements(glow::TRIANGLES, 6, glow::UNSIGNED_INT, 0);
@ -219,10 +223,11 @@ impl Waterfall {
// texture sampler // texture sampler
uniform sampler2D texture1; uniform sampler2D texture1;
uniform float offset;
void main() void main()
{ {
FragColor = texture(texture1, TexCoord); FragColor = texture(texture1, vec2(TexCoord.x, TexCoord.y + offset));
} }
"#, "#,
); );