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use processing_glfw::GlfwContext;

use std::f32::consts::PI;

use processing::prelude::*;

use processing_render::render::command::DrawCommand;

fn main() {

sketch().unwrap();

exit(0).unwrap();

}

fn sketch() -> error::Result<()> {

let mut glfw_ctx = GlfwContext::new(600, 600, false)?;

init(Config::default())?;

let surface = glfw_ctx.create_surface(600, 600, false)?;

let graphics = graphics_create(surface, 600, 600, 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(0.95, 0.93, 0.9)),

)?;

let cx = 300.0;

let cy = 300.0;

graphics_record_command(graphics, DrawCommand::NoFill)?;

graphics_record_command(graphics, DrawCommand::StrokeWeight(2.0))?;

for i in 0..12 {

let r = 40.0 + i as f32 * 18.0;

let offset = t + i as f32 * 0.15;

let v = 0.2 + (i as f32 / 12.0) * 0.4;

graphics_record_command(

graphics,

DrawCommand::StrokeColor(bevy::color::Color::srgb(v, v * 0.8, v * 0.6)),

)?;

graphics_record_command(

graphics,

DrawCommand::Arc {

cx,

cy,

w: r * 2.0,

h: r * 2.0,

start: offset,

stop: offset + PI * 1.2,

mode: ArcMode::Open,

)?;

}

graphics_record_command(graphics, DrawCommand::NoStroke)?;

for i in 0..12 {

let r = 40.0 + i as f32 * 18.0;

let angle = t + i as f32 * 0.15;

let x = cx + r * angle.cos();

let y = cy + r * angle.sin();

graphics_record_command(

graphics,

DrawCommand::Fill(bevy::color::Color::srgb(0.85, 0.3 + i as f32 / 24.0, 0.2)),

)?;

graphics_record_command(

graphics,

DrawCommand::Ellipse {

cx: x,

cy: y,

w: 6.0,

h: 6.0,

)?;

}

graphics_record_command(

graphics,

DrawCommand::Fill(bevy::color::Color::srgba(0.1, 0.1, 0.1, 0.15)),

)?;

for i in 0..6 {

let angle = t * 0.5 + i as f32 * PI / 3.0;

let d = 250.0;

let px = cx + d * angle.cos();

let py = cy + d * angle.sin();

let s = 20.0;

graphics_record_command(

graphics,

DrawCommand::Triangle {

x1: px,

y1: py - s,

x2: px - s * 0.866,

y2: py + s * 0.5,

x3: px + s * 0.866,

y3: py + s * 0.5,

)?;

}

let d = 15.0 + 5.0 * (t * 3.0).sin();

graphics_record_command(

graphics,

DrawCommand::Fill(bevy::color::Color::srgba(0.9, 0.4, 0.1, 0.4)),

)?;

graphics_record_command(

graphics,

DrawCommand::Quad {

x1: cx,

y1: cy - d,

x2: cx + d,

y2: cy,

x3: cx,

y3: cy + d,

x4: cx - d,

y4: cy,

)?;

graphics_end_draw(graphics)?;

t += 0.01;

}

Ok(())

}