going round and round

This commit is contained in:
ajuvercr 2019-09-20 19:31:32 +02:00
parent adc8759e0e
commit 3aa61d683d
3 changed files with 40 additions and 35 deletions

View file

@ -30,19 +30,33 @@ pub struct Circle {
impl Circle { impl Circle {
pub fn new(p1: &types::Planet, p2: &types::Planet) -> Self { pub fn new(p1: &types::Planet, p2: &types::Planet) -> Self {
let dx = p1.x - p2.x; let x1 = p1.x;
let dy = p1.y - p2.y; let y1 = p1.y;
let dr = (dx * dx + dy * dy).sqrt(); let x2 = p2.x;
let r = dr * 1.05; let y2 = p2.y;
let distance = (dx * dx + dy * dy).sqrt().ceil() as usize;
let d = p1.x * p2.y - p2.x * p1.y; let q = ((x2-x1).powi(2) + (y2-y1).powi(2)).sqrt();
let x3 = (x1+x2)/2.0;
let y3 = (y1+y2)/2.0;
let x = (d * dy + dy.signum() * dx * (r * r * dr * dr - d * d).sqrt()) / (dr * dr); let r = q * 1.1;
let y = (-d * dx + dy.abs() * (r * r * dr * dr - d * d).sqrt()) / (dr * dr);
let a1 = (y - p1.y).atan2(x - p1.x); let (x, y) = if true {
let a2 = (y - p2.y).atan2(x - p2.x); (
x3 + (r.powi(2)-(q/2.0).powi(2)).sqrt() * (y1-y2)/q,
y3 + (r.powi(2)-(q/2.0).powi(2)).sqrt() * (x2-x1)/q
)
} else {
(
x3 - (r.powi(2)-(q/2.0).powi(2)).sqrt() * (y1-y2)/q,
y3 - (r.powi(2)-(q/2.0).powi(2)).sqrt() * (x2-x1)/q
)
};
let a1 = (y - y1).atan2(x - x1);
let a2 = (y - y2).atan2(x - x2);
let distance = q.ceil() as usize + 1;
Self { Self {
r, x, y, a1, a2, distance r, x, y, a1, a2, distance
@ -57,23 +71,16 @@ impl Circle {
} }
fn get_remaining(&self, remaining: usize) -> Mat3<f32> { fn get_remaining(&self, remaining: usize) -> Mat3<f32> {
let alpha = self.a1 + (1.0 - (remaining as f32 / self.distance as f32)) * (self.a2 - self.a1); let alpha = (self.a1 * remaining as f32 + (self.distance - remaining) as f32 * self.a2) / self.distance as f32;
let c = alpha.cos();
let s = alpha.sin();
let cos = alpha.cos();
let sin = alpha.sin();
// Mat3::rotate_z(alpha) *
Mat3::new( Mat3::new(
c, -s, 0.0, 0.3, 0.0, 0.0,
s, c, 0.0, 0.0, 0.4, 0.0,
0.0, 0.0, 1.0 -self.x + cos * self.r, -self.y + sin * self.r, 0.3,
) * Mat3::new( ) * Mat3::rotate_z(alpha)
1.0, 0.0, 0.0,
0.0, 1.0, 0.0,
self.x, self.y, 1.0,
) * Mat3::new(
c, -s, 0.0,
s, c, 0.0,
0.0, 0.0, 1.0
)
} }
} }
@ -114,8 +121,6 @@ impl Line {
// let x = self.x1 + (remaining as f32 / self.d as f32) * (self.x2 - self.x1); // let x = self.x1 + (remaining as f32 / self.d as f32) * (self.x2 - self.x1);
let y = (self.y1 * remaining as f32 + (self.d - remaining) as f32 * self.y2) / self.d as f32; let y = (self.y1 * remaining as f32 + (self.d - remaining) as f32 * self.y2) / self.d as f32;
let c = self.a.cos();
let s = self.a.sin();
// let y = self.y1 + (remaining as f32 / self.d as f32) * (self.y2 - self.y1); // let y = self.y1 + (remaining as f32 / self.d as f32) * (self.y2 - self.y1);
Mat3::new( Mat3::new(
0.3, 0.0, 0.0, 0.3, 0.0, 0.0,
@ -131,7 +136,7 @@ pub struct Game {
states: Vec<types::State>, states: Vec<types::State>,
turn: usize, turn: usize,
planet_map: HashMap<(String, String), Line>, planet_map: HashMap<(String, String), Circle>,
/* put extra shit here */ /* put extra shit here */
view_box: Vec<f32>, view_box: Vec<f32>,
@ -162,7 +167,7 @@ impl Game {
// Iterator? // Iterator?
for p1 in states[0].planets.iter() { for p1 in states[0].planets.iter() {
for p2 in states[0].planets.iter() { for p2 in states[0].planets.iter() {
planet_map.insert((p1.name.clone(), p2.name.clone()), Line::new(&p1, &p2)); planet_map.insert((p1.name.clone(), p2.name.clone()), Circle::new(&p1, &p2));
} }
} }

View file

@ -80,7 +80,7 @@ class GameInstance {
const transform = new UniformMatrix3fv([ const transform = new UniformMatrix3fv([
1, 0, 0, 1, 0, 0,
0, 1, 0, 0, 1, 0,
planets[i*3], planets[i*3+1], 1, -planets[i*3], -planets[i*3+1], 1,
]); ]);
const indexBuffer = new IndexBuffer(GL, meshes[i % meshes.length].cells); const indexBuffer = new IndexBuffer(GL, meshes[i % meshes.length].cells);

View file

@ -25,9 +25,9 @@
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@ -58,8 +58,8 @@
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