Flying straight
This commit is contained in:
ajuvercr
parent
89eae79eca
commit
adc8759e0e
7 changed files with 404 additions and 77 deletions
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@ -4,11 +4,12 @@ extern crate serde_derive;
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extern crate serde_json;
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extern crate octoon_math;
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use octoon_math::{Mat3, Vec3};
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use octoon_math::{Mat3, Vec3, One};
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mod utils;
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mod types;
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use std::collections::HashMap;
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use wasm_bindgen::prelude::*;
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// When the `wee_alloc` feature is enabled, use `wee_alloc` as the global
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@ -17,16 +18,128 @@ use wasm_bindgen::prelude::*;
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#[global_allocator]
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static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
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#[derive(Debug, Clone)]
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pub struct Circle {
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r: f32,
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x: f32,
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y: f32,
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a1: f32,
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a2: f32,
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distance: usize,
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}
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impl Circle {
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pub fn new(p1: &types::Planet, p2: &types::Planet) -> Self {
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let dx = p1.x - p2.x;
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let dy = p1.y - p2.y;
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let dr = (dx * dx + dy * dy).sqrt();
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let r = dr * 1.05;
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let distance = (dx * dx + dy * dy).sqrt().ceil() as usize;
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let d = p1.x * p2.y - p2.x * p1.y;
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let x = (d * dy + dy.signum() * dx * (r * r * dr * dr - d * d).sqrt()) / (dr * dr);
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let y = (-d * dx + dy.abs() * (r * r * dr * dr - d * d).sqrt()) / (dr * dr);
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let a1 = (y - p1.y).atan2(x - p1.x);
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let a2 = (y - p2.y).atan2(x - p2.x);
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Self {
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r, x, y, a1, a2, distance
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}
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}
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pub fn get_for_remaining(&self, remaining: usize) -> (Mat3<f32>, Mat3<f32>) {
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(
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self.get_remaining(remaining),
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self.get_remaining((remaining + 1).min(self.distance - 1)),
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)
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}
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fn get_remaining(&self, remaining: usize) -> Mat3<f32> {
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let alpha = self.a1 + (1.0 - (remaining as f32 / self.distance as f32)) * (self.a2 - self.a1);
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let c = alpha.cos();
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let s = alpha.sin();
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Mat3::new(
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c, -s, 0.0,
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s, c, 0.0,
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0.0, 0.0, 1.0
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) * Mat3::new(
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1.0, 0.0, 0.0,
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0.0, 1.0, 0.0,
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self.x, self.y, 1.0,
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) * Mat3::new(
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c, -s, 0.0,
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s, c, 0.0,
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0.0, 0.0, 1.0
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)
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}
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}
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struct Line {
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x1: f32,
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y1: f32,
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x2: f32,
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y2: f32,
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a: f32,
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d: usize,
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}
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impl Line {
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pub fn new(p1: &types::Planet, p2: &types::Planet) -> Self {
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let dx = p1.x - p2.x;
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let dy = p1.y - p2.y;
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let a = dy.atan2(dx);
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// let a = (dy / dx).atan();
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let d = (dx * dx + dy * dy).sqrt().ceil() as usize + 1;
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Self {
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x1: p1.x,
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x2: p2.x,
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y1: p1.y,
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y2: p2.y,
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d, a,
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}
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}
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pub fn get_for_remaining(&self, remaining: usize) -> (Mat3<f32>, Mat3<f32>) {
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(
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self.get_remaining(remaining),
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self.get_remaining((remaining + 1).min(self.d - 1)),
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)
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}
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fn get_remaining(&self, remaining: usize) -> Mat3<f32> {
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let x = (self.x1 * remaining as f32 + (self.d - remaining) as f32 * self.x2) / self.d as f32;
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// let x = self.x1 + (remaining as f32 / self.d as f32) * (self.x2 - self.x1);
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let y = (self.y1 * remaining as f32 + (self.d - remaining) as f32 * self.y2) / self.d as f32;
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let c = self.a.cos();
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let s = self.a.sin();
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// let y = self.y1 + (remaining as f32 / self.d as f32) * (self.y2 - self.y1);
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Mat3::new(
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0.3, 0.0, 0.0,
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0.0, 0.3, 0.0,
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x, y, 0.3,
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) * Mat3::rotate_z(self.a)
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}
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}
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#[wasm_bindgen]
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pub struct Game {
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states: Vec<types::State>,
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turn: usize,
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planet_map: HashMap<(String, String), Line>,
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/* put extra shit here */
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planets: Vec<Vec3<f32>>,
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view_box: Vec<f32>,
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ship_locations: Vec<Mat3<f32>>,
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planets: Vec<Vec3<f32>>,
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ship_locations: Vec<[f32;9]>,
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ship_colours: Vec<Vec3<f32>>,
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current_planet_colours: Vec<Vec3<f32>>,
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}
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@ -36,16 +149,32 @@ impl Game {
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utils::set_panic_hook();
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// First line is fucked but we just filter out things that cannot parse
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let states: Vec<types::State> = file.split("\n").filter_map(|line|
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let mut states: Vec<types::State> = file.split("\n").filter_map(|line|
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serde_json::from_str(line).ok()
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).collect();
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states.push(types::State {
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planets: states.last().unwrap().planets.clone(),
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expeditions: Vec::new()
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});
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let mut planet_map = HashMap::new();
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// Iterator?
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for p1 in states[0].planets.iter() {
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for p2 in states[0].planets.iter() {
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planet_map.insert((p1.name.clone(), p2.name.clone()), Line::new(&p1, &p2));
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}
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}
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Self {
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planets: utils::get_planets(&states[0].planets, 2.0),
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view_box: utils::caclulate_viewbox(&states[0].planets),
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planet_map,
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turn: 0,
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states,
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ship_locations: Vec::new(),
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ship_colours: Vec::new(),
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current_planet_colours: Vec::new(),
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}
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}
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@ -95,7 +224,17 @@ impl Game {
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}
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fn update_ship_locations(&mut self) {
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let mut new_vec = Vec::new();
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for ship in self.states[self.turn].expeditions.iter() {
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let (o1, o2) = self.planet_map.get(&(ship.origin.clone(), ship.destination.clone())).unwrap().get_for_remaining(ship.turns_remaining as usize);
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new_vec.push(o1.to_array());
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new_vec.push(o2.to_array());
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}
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self.ship_locations = new_vec;
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self.ship_colours = self.states[self.turn].expeditions.iter().map(|s| {
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utils::COLORS[s.owner as usize % utils::COLORS.len()].into()
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}).collect();
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}
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// pub fn add_location(&mut self, x: f32, y: f32, angle: f32) {
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@ -104,13 +243,21 @@ impl Game {
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// );
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// }
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pub fn location_count(&self) -> usize {
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self.ship_locations.len()
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pub fn get_max_ships(&self) -> usize {
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self.states.iter().map(|s| s.expeditions.len()).max().unwrap()
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}
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pub fn get_ship_locations(&self) -> *const Mat3<f32> {
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pub fn get_ship_count(&self) -> usize {
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self.states[self.turn].expeditions.len()
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}
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pub fn get_ship_locations(&self) -> *const [f32;9] {
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self.ship_locations.as_ptr()
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}
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pub fn get_ship_colours(&self) -> *const Vec3<f32> {
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self.ship_colours.as_ptr()
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}
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}
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@ -17,6 +17,26 @@ pub struct Planet {
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pub name: String,
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}
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use std::hash::{Hash, Hasher};
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use std::mem;
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impl Hash for Planet {
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fn hash<H: Hasher>(&self, state: &mut H) {
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unsafe {
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let x: u32 = mem::transmute_copy(&self.x);
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let y: u32 = mem::transmute_copy(&self.y);
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state.write_u32(x);
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state.write_u32(y);
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}
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}
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}
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impl PartialEq for Planet {
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fn eq(&self, other: &Self) -> bool {
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(self.x - other.x).abs() < 0.0001 && (self.y - other.y).abs() < 0.0001
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}
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}
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impl Eq for Planet {}
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#[derive(Debug, Clone, Serialize, Deserialize)]
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pub struct State {
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@ -50,6 +50,8 @@ ShaderFactory.create_factory(
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LOCATION + "static/shaders/frag/simple.glsl", LOCATION + "static/shaders/vert/simple.glsl"
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).then((e) => SHADERFACOTRY = e);
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class GameInstance {
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resizer: Resizer;
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game: Game;
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@ -60,7 +62,9 @@ class GameInstance {
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last_time = 0;
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frame = -1;
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constructor(game: Game, meshes: Mesh[]) {
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ship_indices: number[];
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constructor(game: Game, meshes: Mesh[], ship_mesh: Mesh) {
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this.game = game;
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this.planet_count = this.game.get_planet_count();
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this.shader = SHADERFACOTRY.create_shader(GL, {"MAX_CIRCLES": ''+this.planet_count});
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@ -93,18 +97,36 @@ class GameInstance {
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this.shader,
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{
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"u_trans": transform,
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"u_trans_next": transform,
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}
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);
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}
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this.ship_indices = [];
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const ship_ibo = new IndexBuffer(GL, ship_mesh.cells);
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const ship_positions = new VertexBuffer(GL, ship_mesh.positions);
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const ship_layout = new VertexBufferLayout();
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ship_layout.push(GL.FLOAT, 3, 4, "a_position");
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const ship_vao = new VertexArray();
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ship_vao.addBuffer(ship_positions, ship_layout);
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for (let i = 0; i < this.game.get_max_ships(); i++) {
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this.ship_indices.push(
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this.renderer.addToDraw(
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ship_ibo,
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ship_vao,
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this.shader,
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{}
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)
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);
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}
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// this.game.update_turn(this.frame);
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console.log(f32v(this.game.get_planet_colors(), 3 * this.game.get_planet_count()));
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// console.log(this.resizer.get_viewbox());
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}
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render(time: number) {
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if (time > this.last_time + 1000) {
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if (time > this.last_time + 500) {
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const transparant = new Uniform3f(0, 0, 0);
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const transform = new UniformMatrix3fv([0, 0, 0, 0, 0, 0, 0, 0, 0, ]);
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this.last_time = time;
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this.frame ++;
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this.game.update_turn(this.frame);
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@ -117,13 +139,40 @@ class GameInstance {
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this.renderer.updateUniform(i, (us) => us["u_color_next"] = u2);
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}
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const ships = f32v(this.game.get_ship_locations(), this.game.get_ship_count() * 9 * 2);
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const ship_colours = f32v(this.game.get_ship_colours(), this.game.get_ship_count() * 3);
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for (let i=0; i < this.game.get_max_ships(); i++) {
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const index = this.ship_indices[i];
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if (i < this.game.get_ship_count()) {
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this.renderer.enableRendershit(index);
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const u = new Uniform3f(ship_colours[i*3], ship_colours[i*3 + 1], ship_colours[i*3 + 2]);
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// const t1 = new UniformMatrix3fv(new Float32Array(ships, i * 18, 9));
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// const t2 = new UniformMatrix3fv(new Float32Array(ships, i * 18 + 9, 9));
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const t1 = new UniformMatrix3fv(ships.slice(i * 18, i * 18 + 9));
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const t2 = new UniformMatrix3fv(ships.slice(i * 18 + 9, i * 18 + 18));
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this.renderer.updateUniform(index, (us) => {
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us["u_color"] = u;
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us["u_color_next"] = u;
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us["u_trans"] = t1;
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us["u_trans_next"] = t2;
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});
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} else {
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this.renderer.disableRenderShift(index);
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}
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}
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}
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GL.bindFramebuffer(GL.FRAMEBUFFER, null);
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GL.viewport(0, 0, GL.canvas.width, GL.canvas.height);
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GL.clear(GL.COLOR_BUFFER_BIT | GL.DEPTH_BUFFER_BIT);
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this.shader.uniform(GL, "u_step_interval", new Uniform1f(1000));
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this.shader.uniform(GL, "u_time", new Uniform1f(time));
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this.shader.uniform(GL, "u_step_interval", new Uniform1f(500));
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this.shader.uniform(GL, "u_time", new Uniform1f((time - this.last_time) / 500));
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this.shader.uniform(GL, "u_mouse", new Uniform2f(this.resizer.get_mouse_pos()));
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this.shader.uniform(GL, "u_viewbox", new Uniform4f(this.resizer.get_viewbox()));
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this.shader.uniform(GL, "u_resolution", new Uniform2f(RESOLUTION));
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@ -138,18 +187,18 @@ var game_instance: GameInstance;
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export async function set_instance(game: Game) {
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const meshes = await Promise.all(
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["earth.svg", "mars.svg", "venus.svg"].map(
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["ship.svg", "earth.svg", "mars.svg", "venus.svg"].map(
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(name) => "static/res/assets/" + name
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).map(url_to_mesh)
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);
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game_instance = new GameInstance(game, meshes);
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game_instance = new GameInstance(game, meshes.slice(1), meshes[0]);
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}
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function step(time: number) {
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if (game_instance) {
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game_instance.render(time);
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set_loading(false);
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game_instance.render(time);
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} else {
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set_loading(true);
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}
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66
frontend/www/static/res/assets/ship.svg
Normal file
66
frontend/www/static/res/assets/ship.svg
Normal file
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@ -0,0 +1,66 @@
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!-- Created with Inkscape (http://www.inkscape.org/) -->
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<svg
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xmlns:dc="http://purl.org/dc/elements/1.1/"
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xmlns:cc="http://creativecommons.org/ns#"
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xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
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xmlns:svg="http://www.w3.org/2000/svg"
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xmlns="http://www.w3.org/2000/svg"
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xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
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width="100mm"
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height="100mm"
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viewBox="0 0 100 99.999999"
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version="1.1"
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id="svg8"
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sodipodi:docname="ship.svg"
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inkscape:version="0.92.4 (f8dce91, 2019-08-02)">
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<defs
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id="defs2" />
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<sodipodi:namedview
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id="base"
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pagecolor="#ffffff"
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bordercolor="#666666"
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borderopacity="1.0"
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inkscape:pageopacity="0.0"
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inkscape:pageshadow="2"
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inkscape:zoom="0.24748737"
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||||
inkscape:cx="-106.07564"
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||||
inkscape:cy="608.26605"
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inkscape:document-units="mm"
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inkscape:current-layer="layer1"
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showgrid="false"
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fit-margin-top="0"
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fit-margin-left="0"
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||||
fit-margin-right="0"
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fit-margin-bottom="0"
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inkscape:window-width="1920"
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||||
inkscape:window-height="1012"
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||||
inkscape:window-x="0"
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||||
inkscape:window-y="32"
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||||
inkscape:window-maximized="1" />
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||||
<metadata
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||||
id="metadata5">
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||||
<rdf:RDF>
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||||
<cc:Work
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||||
rdf:about="">
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<dc:format>image/svg+xml</dc:format>
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<dc:type
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rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
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<dc:title></dc:title>
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</cc:Work>
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</rdf:RDF>
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</metadata>
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<g
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inkscape:label="Layer 1"
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||||
inkscape:groupmode="layer"
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||||
id="layer1"
|
||||
transform="translate(229.05372,-117.27915)">
|
||||
<path
|
||||
style="opacity:1;fill:#000000;fill-opacity:1;stroke:none;stroke-width:2.72543406;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
|
||||
d="m -229.05372,167.27915 c 0,0 13.45401,-50 48.27481,-50 11.57339,0 21.79319,8.51775 27.92829,21.52314 7.7319,-15.5144 21.11806,-16.32589 22.56968,-13.92304 1.75107,2.89851 1.72384,19.14347 -0.70314,25.00722 -1.17787,2.84584 -10.35261,5.01798 -16.67359,6.19846 0.55938,3.59896 0.85565,7.34571 0.85565,11.19422 0,3.84851 -0.29627,7.59526 -0.85565,11.19423 6.32098,1.18047 15.49572,3.35262 16.67359,6.19845 2.42698,5.86375 2.45421,22.10872 0.70314,25.00723 -1.45162,2.40285 -14.83778,1.59135 -22.56968,-13.92304 -6.1351,13.00539 -16.3549,21.52313 -27.92829,21.52313 -34.8208,0 -48.27481,-50 -48.27481,-50 z m 24.32378,0 a 25.255825,28.025483 0 0 0 25.25579,28.02559 25.255825,28.025483 0 0 0 25.25578,-28.02559 25.255825,28.025483 0 0 0 -25.25578,-28.02558 25.255825,28.025483 0 0 0 -25.25579,28.02558 z"
|
||||
id="path815"
|
||||
inkscape:connector-curvature="0" />
|
||||
</g>
|
||||
</svg>
|
||||
|
After Width: | Height: | Size: 2.7 KiB |
|
|
@ -4,16 +4,24 @@ precision mediump float;
|
|||
|
||||
attribute vec2 a_position;
|
||||
|
||||
|
||||
uniform float u_step_interval;
|
||||
uniform float u_time;
|
||||
|
||||
uniform vec4 u_viewbox; // [x, y, width, height]
|
||||
uniform vec2 u_resolution;
|
||||
uniform mat3 u_trans;
|
||||
uniform mat3 u_trans_next;
|
||||
|
||||
varying vec2 v_pos;
|
||||
|
||||
void main() {
|
||||
vec3 pos = vec3(a_position, 1.0);
|
||||
|
||||
pos = u_trans * pos;
|
||||
// float part = fract(u_time / u_step_interval);
|
||||
mat3 trans = (u_trans_next * (1.0 - u_time)) + (u_trans * u_time);
|
||||
|
||||
pos = trans * pos;
|
||||
|
||||
vec2 uv = pos.xy;
|
||||
|
||||
|
|
|
|||
|
|
@ -9,68 +9,52 @@ export interface Renderable {
|
|||
render(gl: WebGLRenderingContext): void;
|
||||
}
|
||||
|
||||
export class Renderer {
|
||||
renderables: Renderable[];
|
||||
|
||||
indexBuffers: IndexBuffer[];
|
||||
vertexArrays: VertexArray[];
|
||||
shaders: Shader[];
|
||||
class RenderShit implements Renderable {
|
||||
ibo: IndexBuffer;
|
||||
va: VertexArray;
|
||||
shader: Shader;
|
||||
textures: Texture[];
|
||||
uniforms: Dictionary<Uniform>[];
|
||||
uniforms: Dictionary<Uniform>;
|
||||
|
||||
constructor() {
|
||||
this.indexBuffers = [];
|
||||
this.vertexArrays = [];
|
||||
this.shaders = [];
|
||||
this.textures = [];
|
||||
this.uniforms = [];
|
||||
enabled: boolean;
|
||||
|
||||
constructor(
|
||||
ibo: IndexBuffer,
|
||||
va: VertexArray,
|
||||
shader: Shader,
|
||||
textures: Texture[],
|
||||
uniforms: Dictionary<Uniform>,
|
||||
) {
|
||||
this.enabled = true;
|
||||
this.ibo = ibo;
|
||||
this.va = va;
|
||||
this.shader = shader;
|
||||
this.textures = textures;
|
||||
this.uniforms = uniforms;
|
||||
}
|
||||
|
||||
updateUniform(i: number, f: (uniforms: Dictionary<Uniform>) => void) {
|
||||
f(this.uniforms[i]);
|
||||
render(gl: WebGLRenderingContext): void {
|
||||
if (!this.enabled) {
|
||||
return;
|
||||
}
|
||||
|
||||
addRenderable(item: Renderable) {
|
||||
this.renderables.push(item);
|
||||
}
|
||||
const indexBuffer = this.ibo;
|
||||
const vertexArray = this.va;
|
||||
const uniforms = this.uniforms;
|
||||
|
||||
addToDraw(indexBuffer: IndexBuffer, vertexArray: VertexArray, shader: Shader, uniforms: Dictionary<Uniform>,texture?: Texture): number {
|
||||
this.indexBuffers.push(indexBuffer);
|
||||
this.vertexArrays.push(vertexArray);
|
||||
this.shaders.push(shader);
|
||||
this.textures.push(texture);
|
||||
|
||||
this.uniforms.push(uniforms);
|
||||
|
||||
|
||||
return this.indexBuffers.length - 1;
|
||||
}
|
||||
|
||||
render(gl: WebGLRenderingContext, frameBuffer?: WebGLFramebuffer, width?: number, height?: number) {
|
||||
gl.bindFramebuffer(gl.FRAMEBUFFER, frameBuffer);
|
||||
gl.viewport(0, 0, width || gl.canvas.width, height || gl.canvas.height);
|
||||
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
|
||||
|
||||
const maxTextures = gl.getParameter(gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS);
|
||||
const shader = this.shader;
|
||||
const textures = this.textures;
|
||||
let texLocation = 0;
|
||||
|
||||
for(let i = 0; i < this.indexBuffers.length; i ++) {
|
||||
const indexBuffer = this.indexBuffers[i];
|
||||
const vertexArray = this.vertexArrays[i];
|
||||
const uniforms = this.uniforms[i];
|
||||
|
||||
const shader = this.shaders[i];
|
||||
const texture = this.textures[i];
|
||||
|
||||
if (texture) {
|
||||
for (let texture of textures) {
|
||||
|
||||
shader.uniform(gl, texture.name, new Uniform1i(texLocation));
|
||||
texture.bind(gl, texLocation);
|
||||
|
||||
texLocation ++;
|
||||
if (texLocation > maxTextures) {
|
||||
console.error("Using too many textures, this is not supported yet\nUndefined behaviour!");
|
||||
}
|
||||
// if (texLocation > maxTextures) {
|
||||
// console.error("Using too many textures, this is not supported yet\nUndefined behaviour!");
|
||||
// }
|
||||
}
|
||||
|
||||
if (vertexArray && shader && uniforms) {
|
||||
|
|
@ -87,6 +71,59 @@ export class Renderer {
|
|||
console.error("IndexBuffer is required to render, for now");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
export class Renderer {
|
||||
renderables: RenderShit[];
|
||||
|
||||
constructor() {
|
||||
this.renderables = [];
|
||||
}
|
||||
|
||||
updateUniform(i: number, f: (uniforms: Dictionary<Uniform>) => void) {
|
||||
f(this.renderables[i].uniforms);
|
||||
}
|
||||
|
||||
disableRenderShift(i: number) {
|
||||
this.renderables[i].enabled = false;
|
||||
}
|
||||
|
||||
enableRendershit(i: number) {
|
||||
this.renderables[i].enabled = true;
|
||||
}
|
||||
|
||||
// addRenderable(item: Renderable) {
|
||||
// this.renderables.push(item);
|
||||
// }
|
||||
|
||||
addToDraw(indexBuffer: IndexBuffer, vertexArray: VertexArray, shader: Shader, uniforms?: Dictionary<Uniform>, texture?: Texture[]): number {
|
||||
|
||||
this.renderables.push(
|
||||
new RenderShit(
|
||||
indexBuffer,
|
||||
vertexArray,
|
||||
shader,
|
||||
texture || [],
|
||||
uniforms || {},
|
||||
)
|
||||
);
|
||||
|
||||
return this.renderables.length - 1;
|
||||
}
|
||||
|
||||
render(gl: WebGLRenderingContext, frameBuffer?: WebGLFramebuffer, width?: number, height?: number) {
|
||||
gl.bindFramebuffer(gl.FRAMEBUFFER, frameBuffer);
|
||||
gl.viewport(0, 0, width || gl.canvas.width, height || gl.canvas.height);
|
||||
gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
|
||||
|
||||
const maxTextures = gl.getParameter(gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS);
|
||||
|
||||
for (let r of this.renderables) {
|
||||
r.render(gl);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -306,8 +306,8 @@ export class Uniform4f implements Uniform {
|
|||
}
|
||||
|
||||
export class UniformMatrix3fv implements Uniform {
|
||||
data: number[];
|
||||
constructor(data: number[]) {
|
||||
data: number[] | Float32Array;
|
||||
constructor(data: number[] | Float32Array) {
|
||||
this.data = data;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue