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Copy pathcustom_material.rs
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73 lines (59 loc) · 1.99 KB
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use processing_glfw::GlfwContext;
use bevy::math::Vec3;
use processing::prelude::*;
use processing_render::render::command::DrawCommand;
fn main() {
match sketch() {
Ok(_) => {
eprintln!("Sketch completed successfully");
exit(0).unwrap();
}
Err(e) => {
eprintln!("Sketch error: {:?}", e);
exit(1).unwrap();
}
};
}
fn sketch() -> error::Result<()> {
let width = 400;
let height = 400;
let mut glfw_ctx = GlfwContext::new(width, height, false)?;
init(Config::default())?;
let surface = glfw_ctx.create_surface(width, height, false)?;
let graphics = graphics_create(surface, width, height, TextureFormat::Rgba16Float)?;
let box_geo = geometry_box(100.0, 100.0, 100.0)?;
graphics_mode_3d(graphics)?;
transform_set_position(graphics, Vec3::new(100.0, 100.0, 300.0))?;
transform_look_at(graphics, Vec3::new(0.0, 0.0, 0.0))?;
let shader = shader_load("shaders/custom_material.wesl")?;
let mat = material_create_custom(shader)?;
material_set(
mat,
"color",
shader_value::ShaderValue::Float4([1.0, 0.2, 0.4, 1.0]),
)?;
let mut angle = 0.0;
while glfw_ctx.poll_events() {
graphics_begin_draw(graphics)?;
graphics_record_command(
graphics,
DrawCommand::BackgroundColor(bevy::color::Color::srgb(0.1, 0.1, 0.15)),
)?;
graphics_record_command(graphics, DrawCommand::PushMatrix)?;
graphics_record_command(
graphics,
DrawCommand::Rotate {
angle,
axis: Vec3::Z,
},
)?;
graphics_record_command(graphics, DrawCommand::Material(mat))?;
graphics_record_command(graphics, DrawCommand::Geometry(box_geo))?;
graphics_record_command(graphics, DrawCommand::PopMatrix)?;
graphics_end_draw(graphics)?;
angle += 0.02;
}
material_destroy(mat)?;
shader_destroy(shader)?;
Ok(())
}