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Copy pathtransforms.rs
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80 lines (64 loc) · 2.3 KB
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use processing_glfw::GlfwContext;
use bevy::math::{Vec2, Vec3};
use processing::prelude::*;
use processing_render::render::command::DrawCommand;
use std::f32::consts::PI;
fn main() {
sketch().unwrap();
exit(0).unwrap();
}
fn sketch() -> error::Result<()> {
let mut glfw_ctx = GlfwContext::new(400, 400, false)?;
init(Config::default())?;
let surface = glfw_ctx.create_surface(400, 400, false)?;
let graphics = graphics_create(surface, 400, 400, TextureFormat::Rgba16Float)?;
let mut t: f32 = 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, 0.1)),
)?;
for i in 0..4 {
for j in 0..4 {
graphics_record_command(graphics, DrawCommand::PushMatrix)?;
graphics_record_command(
graphics,
DrawCommand::Translate(
Vec2::new(50.0 + j as f32 * 100.0, 50.0 + i as f32 * 100.0).extend(0.0),
),
)?;
let angle = t + (i + j) as f32 * PI / 8.0;
graphics_record_command(
graphics,
DrawCommand::Rotate {
angle,
axis: Vec3::Z,
},
)?;
let s = 0.8 + (t * 2.0 + (i * j) as f32).sin() * 0.2;
graphics_record_command(graphics, DrawCommand::Scale(Vec2::splat(s).extend(1.0)))?;
let r = j as f32 / 3.0;
let g = i as f32 / 3.0;
graphics_record_command(
graphics,
DrawCommand::Fill(bevy::color::Color::srgb(r, g, 0.8)),
)?;
graphics_record_command(
graphics,
DrawCommand::Rect {
x: -20.0,
y: -20.0,
w: 40.0,
h: 40.0,
radii: [0.0; 4],
},
)?;
graphics_record_command(graphics, DrawCommand::PopMatrix)?;
}
}
graphics_end_draw(graphics)?;
t += 0.02;
}
Ok(())
}