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Copy pathtext_3d.rs
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85 lines (68 loc) · 2.7 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() {
sketch().unwrap();
exit(0).unwrap();
}
fn sketch() -> error::Result<()> {
let width = 1200;
let height = 700;
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, 800.0))?;
transform_look_at(graphics, Vec3::new(0.0, 0.0, 0.0))?;
let dir_light =
light_create_directional(graphics, bevy::color::Color::srgb(0.3, 0.3, 0.4), 2000.0)?;
transform_set_position(dir_light, Vec3::new(200.0, 300.0, 500.0))?;
transform_look_at(dir_light, Vec3::new(0.0, 0.0, 0.0))?;
let glow = material_create_pbr()?;
material_set(glow, "roughness", shader_value::ShaderValue::Float(0.3))?;
material_set(glow, "metallic", shader_value::ShaderValue::Float(0.5))?;
material_set(
glow,
"emissive",
shader_value::ShaderValue::Float4([2.0, 0.5, 3.0, 1.0]),
)?;
graphics_record_command(graphics, DrawCommand::TextSize(120.0))?;
graphics_record_command(graphics, DrawCommand::TextStyle(TextStyle::Bold))?;
// measure width to center the mesh on the origin
let w = graphics_text_width(graphics, "Processing")?;
let mesh = graphics_text_to_model(graphics, "Processing", -w / 2.0, 0.0, 40.0)?;
let geom = geometry_create_from_mesh(mesh)?;
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(0.02, 0.02, 0.03)),
)?;
graphics_record_command(
graphics,
DrawCommand::Fill(bevy::color::Color::srgb(0.8, 0.3, 1.0)),
)?;
graphics_record_command(graphics, DrawCommand::Material(glow))?;
graphics_record_command(graphics, DrawCommand::PushMatrix)?;
graphics_record_command(
graphics,
DrawCommand::Scale(Vec2::new(15.0, 15.0).extend(1.0)),
)?;
graphics_record_command(
graphics,
DrawCommand::Rotate {
angle: t * 0.3,
axis: Vec3::Z,
},
)?;
graphics_record_command(graphics, DrawCommand::Geometry(geom))?;
graphics_record_command(graphics, DrawCommand::PopMatrix)?;
graphics_end_draw(graphics)?;
t += 0.016;
}
material_destroy(glow)?;
Ok(())
}