Function macroquad::math::vec4

source · 
pub const fn vec4(x: f32, y: f32, z: f32, w: f32) -> Vec4
Expand description

Creates a 4-dimensional vector.

Examples found in repository?
examples/custom_material.rs (line 56)
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async fn main() {
    let mat = load_material(
        ShaderSource::Glsl {
            vertex: VERTEX,
            fragment: FRAGMENT,
        },
        MaterialParams {
            uniforms: vec![("test_color".to_string(), UniformType::Float4)],
            pipeline_params: PipelineParams {
                color_blend: Some(BlendState::new(
                    Equation::Add,
                    BlendFactor::Value(BlendValue::SourceAlpha),
                    BlendFactor::OneMinusValue(BlendValue::SourceAlpha),
                )),
                ..Default::default()
            },
            ..Default::default()
        },
    )
    .unwrap();

    loop {
        clear_background(GRAY);

        gl_use_material(&mat);

        mat.set_uniform("test_color", vec4(1., 0., 0., 1.));

        draw_rectangle(50.0, 50.0, 100., 100., WHITE);

        mat.set_uniform("test_color", vec4(0., 1., 0., 1.));
        draw_rectangle(160.0, 50.0, 100., 100., WHITE);

        mat.set_uniform("test_color", vec4(0., 0., 1., 1.));
        draw_rectangle(270.0, 50.0, 100., 100., WHITE);

        gl_use_default_material();

        draw_rectangle(380.0, 50.0, 100., 100., YELLOW);

        next_frame().await
    }
}