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Copy pathpbr.rs
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94 lines (78 loc) · 3.05 KB
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use processing_glfw::GlfwContext;
use bevy::math::{Vec2, 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 = 800;
let height = 600;
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)?;
graphics_mode_3d(graphics)?;
transform_set_position(graphics, Vec3::new(0.0, 0.0, 600.0))?;
transform_look_at(graphics, Vec3::new(0.0, 0.0, 0.0))?;
let dir_light =
light_create_directional(graphics, bevy::color::Color::srgb(1.0, 0.98, 0.95), 1_500.0)?;
transform_set_position(dir_light, Vec3::new(300.0, 400.0, 300.0))?;
transform_look_at(dir_light, Vec3::new(0.0, 0.0, 0.0))?;
let point_light =
light_create_point(graphics, bevy::color::Color::WHITE, 100_000.0, 800.0, 0.0)?;
transform_set_position(point_light, Vec3::new(200.0, 200.0, 400.0))?;
let cols = 11;
let rows = 5;
let base_color = bevy::color::Color::srgb(1.0, 0.85, 0.57);
let spacing = 70.0;
let offset_x = (cols - 1) as f32 * spacing / 2.0;
let offset_y = (rows - 1) as f32 * spacing / 2.0;
while glfw_ctx.poll_events() {
graphics_begin_draw(graphics)?;
graphics_record_command(
graphics,
DrawCommand::BackgroundColor(bevy::color::Color::srgb(0.05, 0.05, 0.07)),
)?;
graphics_record_command(graphics, DrawCommand::Fill(base_color))?;
for row in 0..rows {
for col in 0..cols {
let roughness = col as f32 / (cols - 1) as f32;
let metallic = row as f32 / (rows - 1) as f32;
graphics_record_command(graphics, DrawCommand::Roughness(roughness))?;
graphics_record_command(graphics, DrawCommand::Metallic(metallic))?;
graphics_record_command(graphics, DrawCommand::PushMatrix)?;
graphics_record_command(
graphics,
DrawCommand::Translate(
Vec2::new(
col as f32 * spacing - offset_x,
row as f32 * spacing - offset_y,
)
.extend(0.0),
),
)?;
graphics_record_command(
graphics,
DrawCommand::Sphere {
radius: 30.0,
sectors: 32,
stacks: 18,
},
)?;
graphics_record_command(graphics, DrawCommand::PopMatrix)?;
}
}
graphics_end_draw(graphics)?;
}
Ok(())
}