evan/ludum-dare-48
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wm-c 2021-04-25 20:58:34 -04:00
parent 3007f96ca4
commit 3c1d56a46b
3 changed files with 23 additions and 10 deletions
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6
src/entities/enemy/whirlpool.rs
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@ -8,12 +8,17 @@ use serde::{Deserialize, Serialize};
#[derive(Debug, Serialize, Deserialize, Default, Clone)]
pub struct Whirlpool{
pub position: Vector2,
// Track if it needs removing
pub should_remove: bool,
// variable for tracking rotation
pub rotation: f32,
}
impl Whirlpool{
// hook to see if item needs removing
pub fn should_remove(&self) -> bool{
return self.should_remove;
}
@ -37,6 +42,7 @@ impl EnemyBase for Whirlpool{
}
// Whirlpool removed if shoot
fn handle_getting_attacked(&mut self, stun_duration: f64, current_time: f64) {
self.should_remove = true;
}

5
src/logic/ingame/mod.rs
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@ -238,10 +238,12 @@ impl Screen for InGameScreen {
);
}
let mut iter_count = 0;
// Iterates over whirlpools and runs render and logic funcs
for whirlpool_mob in game_core.world.whirlpool.iter_mut(){
whirlpool_mob.handle_logic(&mut game_core.player, dt);
whirlpool_mob.render(&mut context_2d, &mut game_core.player, &mut game_core.resources, dt);
// Spawns 10 fish on spawn
if whirlpool_mob.should_remove(){
for _ in 0..10{
game_core.world.fish.push(FishEntity::new(whirlpool_mob.position));
@ -251,6 +253,7 @@ impl Screen for InGameScreen {
}
// Removes whirlpools set for removal
game_core.world.whirlpool.retain(|x| !x.should_remove());

22
src/logic/ingame/playerlogic.rs
View File

@ -160,30 +160,33 @@ pub fn update_player_movement(
// Creates variable to calculate the distant
let mut movement_drift = Vector2::new(0.0, 0.0);
// Check each whirlpool for effects
for whirlpool in game_core.world.whirlpool.iter_mut(){
// check if its in range and not to close
if game_core.player.position.distance_to(whirlpool.position) <= 100.0 && game_core.player.position.distance_to(whirlpool.position) >= 10.0{
let player_pose = game_core.player.position;
let whirlpool_pose = whirlpool.position;
let net_pose = player_pose - whirlpool_pose;
// Calculates info for formulas
// Deltas between positions
let net_pose = game_core.player.position - whirlpool.position;
// Angle between: UNITS: RADIANS
let angle = net_pose.y.atan2(net_pose.x);
// Calculates force
let force = 15.0 / game_core.player.position.distance_to(whirlpool.position) ;
let force = 15.0 / game_core.player.position.distance_to(whirlpool.position);
// Calculates componets of force
let mut force_x = (force as f32 * angle.cos()).clamp(-5.0, 5.0);
let mut force_y = (force as f32 * angle.sin()).clamp(-5.0, 5.0);
// Prevents Nan erros
if force_x.is_nan(){
force_x = 5.0 * net_pose.x;
}
@ -192,6 +195,7 @@ pub fn update_player_movement(
force_y = 5.0 * net_pose.y;
}
// Adds values to drift tracker
movement_drift.x -= force_x;
movement_drift.y -= force_y;
@ -199,7 +203,7 @@ pub fn update_player_movement(
}
// Checks collision
game_core.player.position.x += movement_drift.x;
for collider in game_core.world.colliders.iter() {
if game_core.player.collides_with_rec(collider) {