VoxelEngine2/src/scene/generators.rs
2025-02-18 16:36:48 +01:00

119 lines
No EOL
3.6 KiB
Rust

use super::Scene;
use super::oct_tree::{CHUNK_SIZE, OctTree};
use crate::primitives::cube::Cube;
use crate::primitives::rec_cuboid::Cuboid;
use crate::primitives::drawable::Drawable;
use crate::app_data::AppData;
extern crate rand;
use rand::Rng;
use anyhow::Result;
use cgmath::{vec2, vec3, Vector3};
use std::cell::RefCell;
use std::rc::Rc;
use super::light::{DirectionalLight, PointLight};
pub fn generate_test_scene(scene: &mut Scene, data: &mut AppData) -> Result<()> {
let mut rng = rand::thread_rng();
let grid_size = CHUNK_SIZE as i32;
let mut oct_tree1: OctTree<Cube> = OctTree::create(CHUNK_SIZE)?;
let mut oct_tree2: OctTree<Cube> = OctTree::create(CHUNK_SIZE)?;
for x_index in 0..grid_size {
for y_index in 0..grid_size {
let shade = (rng.gen_range(0..50) as f32) / 100.0;
let cube = Cube {
pos: vec3(x_index as f32, y_index as f32, 5.0),
color: vec3(shade, 1.0, shade),
tex_coord: vec2(0.0, 0.0),
transparent: false,
roughness: 255,
};
oct_tree1.set_cube(cube.clone());
let shade = (rng.gen_range(0..50) as f32) / 100.0;
let cube = Cube {
pos: vec3(x_index as f32, y_index as f32, 6.0),
color: vec3(shade, shade, 0.0),
tex_coord: vec2(0.0, 0.0),
transparent: false,
roughness: 255,
};
oct_tree2.set_cube(cube.clone());
}
}
let shade = (rng.gen_range(0..25) as f32) / 100.0;
let cube = Cube {
pos: vec3(10.0, 10.0, 10.0),
color: vec3(0.9, 0.9, 0.9),
tex_coord: vec2(0.0, 0.0),
transparent: true,
roughness: 32,
};
oct_tree1.set_cube(cube.clone());
let cube = Cube {
pos: vec3(10.0, 10.0, 9.0),
color: vec3(0.9, 0.9, 0.9),
tex_coord: vec2(0.0, 0.0),
transparent: true,
roughness: 32,
};
oct_tree1.set_cube(cube.clone());
let cube = Cube {
pos: vec3(10.0, 10.0, 10.0),
color: vec3(0.9, 0.9, 0.9),
tex_coord: vec2(0.0, 0.0),
transparent: true,
roughness: 32,
};
oct_tree2.set_cube(cube.clone());
let cube = Cube {
pos: vec3(10.0, 10.0, 9.0),
color: vec3(0.9, 0.9, 0.9),
tex_coord: vec2(0.0, 0.0),
transparent: true,
roughness: 32,
};
oct_tree2.set_cube(cube.clone());
scene.point_lights.push(Rc::new(RefCell::new(PointLight { pos: vec3(11.0, 11.0, 11.0), color: vec3(1.0, 1.0, 1.0), memory_start: 0 })));
scene.point_lights.push(Rc::new(RefCell::new(PointLight { pos: vec3(9.0, 9.0, 11.0), color: vec3(0.5, 0.5, 0.5), memory_start: 0 })));
scene.directional_lights.push(Rc::new(RefCell::new(DirectionalLight { direction: vec3(1.0, 1.0, -1.0), color: vec3(0.1, 0.1, 0.1), memory_start: 0 })));
let cube = Cuboid {
pos: vec3(11.0, 11.0, 11.0),
color: vec3(1.0, 1.0, 1.0),
tex_coord: vec2(0.0, 0.0),
size: Vector3 {x: 0.5, y: 0.5, z: 0.5}
};
let index = scene.sized_vertices.len();
cube.draw(&data.topology, index, scene);
let cube = Cuboid {
pos: vec3(9.0, 9.0, 11.0),
color: vec3(1.0, 1.0, 1.0),
tex_coord: vec2(0.0, 0.0),
size: Vector3 {x: 0.5, y: 0.5, z: 0.5}
};
let index = scene.sized_vertices.len();
cube.draw(&data.topology, index, scene);
let tree_ref_one = Rc::new(RefCell::new(oct_tree1));
let tree_ref_two = Rc::new(RefCell::new(oct_tree2));
scene.oct_trees = vec![vec![vec![tree_ref_one.clone(), tree_ref_two.clone()]]];
Ok(())
}