71 lines
1.6 KiB
Rust
71 lines
1.6 KiB
Rust
use super::CodePiece;
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use glsl::syntax::ShaderStage;
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use glsl::syntax::TranslationUnit;
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use glsl::transpiler::glsl::show_translation_unit;
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use crate::impl_code_piece;
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pub struct Trackball(pub ShaderStage);
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impl Trackball {
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pub fn new() -> Self {
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let raw = glsl_quasiquote::glsl! {
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uniform mat4 trackball_view;
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uniform mat4 trackball_model;
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uniform mat4 trackball_projection;
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vec4 transform(vec4 position)
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{
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return trackball_projection
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* trackball_view
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* trackball_model
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* position;
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}
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vec4 position(float x)
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{
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return vec4(x, 0.0, 0.0, 1.0);
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}
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vec4 position(float x, float y)
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{
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return vec4(x, y, 0.0, 1.0);
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}
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vec4 position(vec2 xy)
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{
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return vec4(xy, 0.0, 1.0);
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}
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vec4 position(float x, float y, float z)
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{
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return vec4(x, y, z, 1.0);
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}
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vec4 position(vec3 xyz)
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{
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return vec4(xyz, 1.0);
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}
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vec4 position(vec4 xyzw)
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{
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return xyzw;
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}
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vec4 position(vec2 xy, float z)
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{
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return vec4(xy, z, 1.0);
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}
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vec4 position(float x, vec2 yz)
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{
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return vec4(x, yz, 1.0);
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}
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};
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Self(raw)
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}
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}
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impl_code_piece!(Trackball, 0);
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