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GeezerVison is showing github.com — libprocessing/examples/primitives_3d.rs at python-api · processing/libprocessing

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use processing_glfw::GlfwContext;
use bevy::math::{Vec2, Vec3};
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(900, 400, false)?;
init(Config::default())?;
let surface = glfw_ctx.create_surface(900, 400, false)?;
let graphics = graphics_create(surface, 900, 400, TextureFormat::Rgba16Float)?;
graphics_mode_3d(graphics)?;
transform_set_position(graphics, Vec3::new(0.0, 80.0, 800.0))?;
transform_look_at(graphics, Vec3::new(0.0, 0.0, 0.0))?;
let _light =
light_create_directional(graphics, bevy::color::Color::srgb(0.9, 0.85, 0.8), 300.0)?;
let pbr = material_create_pbr()?;
material_set(pbr, "roughness", shader_value::ShaderValue::Float(0.35))?;
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(0.06, 0.06, 0.08)),
)?;
graphics_record_command(graphics, DrawCommand::Fill(bevy::color::Color::WHITE))?;
graphics_record_command(graphics, DrawCommand::Material(pbr))?;
let shapes: Vec<(f32, Box<dyn Fn(f32) -> DrawCommand>)> = vec![
(
-315.0,
Box::new(|_| DrawCommand::Box {
width: 50.0,
height: 50.0,
depth: 50.0,
}),
),
(
-225.0,
Box::new(|_| DrawCommand::Sphere {
radius: 30.0,
sectors: 24,
stacks: 16,
}),
),
(
-135.0,
Box::new(|_| DrawCommand::Cylinder {
radius: 25.0,
height: 60.0,
detail: 24,
}),
),
(
-45.0,
Box::new(|_| DrawCommand::Cone {
radius: 25.0,
height: 60.0,
detail: 24,
}),
),
(
45.0,
Box::new(|_| DrawCommand::Torus {
radius: 30.0,
tube_radius: 10.0,
major_segments: 24,
minor_segments: 16,
}),
),
(
135.0,
Box::new(|_| DrawCommand::Capsule {
radius: 15.0,
length: 40.0,
detail: 24,
}),
),
(
225.0,
Box::new(|_| DrawCommand::ConicalFrustum {
radius_top: 15.0,
radius_bottom: 25.0,
height: 60.0,
detail: 24,
}),
),
(
315.0,
Box::new(|_| DrawCommand::Tetrahedron { radius: 30.0 }),
),
];
for (x_offset, make_cmd) in &shapes {
graphics_record_command(graphics, DrawCommand::PushMatrix)?;
graphics_record_command(
graphics,
DrawCommand::Translate(Vec2::new(*x_offset, 0.0).extend(0.0)),
)?;
graphics_record_command(
graphics,
DrawCommand::Rotate {
angle: t,
axis: Vec3::Z,
},
)?;
graphics_record_command(graphics, make_cmd(t))?;
graphics_record_command(graphics, DrawCommand::PopMatrix)?;
}
graphics_end_draw(graphics)?;
t += 0.015;
}
Ok(())
}
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