44 lines
1.3 KiB
Rust
44 lines
1.3 KiB
Rust
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use std::collections::HashMap;
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use rand::prelude::*;
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use bevy::{
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prelude::*,
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};
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use heron::prelude::*;
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use crate::{
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player::Player,
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Layer,
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};
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pub const EGG_RADIUS: f32 = 0.15;
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#[derive(Component)]
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pub struct Projectile;
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pub fn collide(
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mut events: EventReader<CollisionEvent>,
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mut velocities: Query<&mut Velocity>
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) {
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fn is_projectile(layers: CollisionLayers) -> bool {
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layers.contains_group(Layer::Projectile)
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}
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for event in events.iter() {
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let (entity_1, entity_2) = event.rigid_body_entities();
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let (layers_1, layers_2) = event.collision_layers();
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if is_projectile(layers_1) {
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let projectile_velocity = velocities.get(entity_1)
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.expect("entity_1");
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if let Ok(mut velocity) = velocities.get_mut(entity_2) {
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*velocity.linear = (Vec3::from(*velocity.linear) + Vec3::from(*projectile_velocity.linear)).into();
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}
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}
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if is_projectile(layers_2) {
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let projectile_velocity = velocities.get(entity_2)
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.expect("entity_2");
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if let Ok(mut velocity) = velocities.get_mut(entity_1) {
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*velocity.linear = (Vec3::from(*velocity.linear) + Vec3::from(*projectile_velocity.linear)).into();
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}
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}
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}
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}
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