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Copy pathprimitives_2d.rs
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125 lines (110 loc) · 3.56 KB
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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(())
}