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move model to center of view

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This commit is contained in:
Robin Appelman 2024-12-30 19:55:51 +01:00
commit 28a78f5311
1 changed files with 9 additions and 6 deletions
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15
examples/view/main.rs
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@ -5,7 +5,7 @@ mod material;
use crate::error::Error; use crate::error::Error;
use crate::material::{load_material_fallback, MaterialData}; use crate::material::{load_material_fallback, MaterialData};
use cgmath::{vec3, Matrix4, SquareMatrix}; use cgmath::{vec3, Matrix4, SquareMatrix, Vector3};
use std::collections::HashMap; use std::collections::HashMap;
use std::env::args_os; use std::env::args_os;
use std::path::PathBuf; use std::path::PathBuf;
@ -52,17 +52,20 @@ fn main() -> Result<(), Error> {
.unwrap(); .unwrap();
let context = window.gl(); let context = window.gl();
let (bb_min, bb_max) = source_model.bounding_box();
let bb_center = Vector3::from(map_coords((bb_min + bb_max) * 0.5));
let mut camera = Camera::new_perspective( let mut camera = Camera::new_perspective(
window.viewport(), window.viewport(),
vec3(2.0, 2.0, 2.0), vec3(0.5, 0.5, 0.5),
vec3(0.0, 0.0, 0.0), bb_center,
vec3(0.0, 1.0, 0.0), vec3(0.0, 1.0, 0.0),
degrees(90.0), degrees(90.0),
0.01, 0.001,
300.0, 300.0,
); );
let mut control = OrbitControl::new(camera.target(), 1.0, 100.0); let mut control = OrbitControl::new(camera.target(), 0.1, 10.0);
let mut gui = three_d::GUI::new(&context); let mut gui = three_d::GUI::new(&context);
let loader = Loader::new().expect("loader"); let loader = Loader::new().expect("loader");
@ -298,7 +301,7 @@ fn model_to_model(
let positions: Vec<Vec3> = mesh let positions: Vec<Vec3> = mesh
.vertices() .vertices()
.map(|vertex| model.apply_animation(animation, vertex, frame)) .map(|vertex| model.apply_animation(animation, vertex, frame))
.map(|position| map_coords(position) * 10.0) .map(|position| map_coords(position))
.map(|vertex: Vec3| (transforms * vertex.extend(1.0)).truncate()) .map(|vertex: Vec3| (transforms * vertex.extend(1.0)).truncate())
.collect(); .collect();
let normals: Vec<Vec3> = mesh.vertices().map(|vertex| vertex.normal.into()).collect(); let normals: Vec<Vec3> = mesh.vertices().map(|vertex| vertex.normal.into()).collect();