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JP Stringham
2026-02-13 09:39:21 -05:00
parent 16f3c9ce29
commit ea6a227670
3 changed files with 205 additions and 64 deletions
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147
assets/test.ldtk
View File

@@ -11,7 +11,7 @@
"iid": "57508490-fa90-11f0-8c51-0f60a8049179",
"jsonVersion": "1.5.3",
"appBuildId": 473703,
"nextUid": 74,
"nextUid": 78,
"identifierStyle": "Capitalize",
"toc": [],
"worldLayout": "Free",
@@ -113,6 +113,70 @@
"active": true,
"isOptional": false,
"rules": [
{
"uid": 74,
"active": true,
"size": 3,
"tileRectsIds": [[32]],
"alpha": 1,
"chance": 1,
"breakOnMatch": true,
"pattern": [4,4,0,4,-4,0,0,0,0],
"flipX": false,
"flipY": false,
"xModulo": 1,
"yModulo": 1,
"xOffset": 0,
"yOffset": 0,
"tileXOffset": 0,
"tileYOffset": 0,
"tileRandomXMin": 0,
"tileRandomXMax": 0,
"tileRandomYMin": 0,
"tileRandomYMax": 0,
"checker": "None",
"tileMode": "Single",
"pivotX": 0,
"pivotY": 0,
"outOfBoundsValue": null,
"invalidated": false,
"perlinActive": false,
"perlinSeed": 4982073,
"perlinScale": 0.2,
"perlinOctaves": 2
},
{
"uid": 75,
"active": true,
"size": 3,
"tileRectsIds": [[30]],
"alpha": 1,
"chance": 1,
"breakOnMatch": true,
"pattern": [0,4,4,0,-4,4,0,0,0],
"flipX": false,
"flipY": false,
"xModulo": 1,
"yModulo": 1,
"xOffset": 0,
"yOffset": 0,
"tileXOffset": 0,
"tileYOffset": 0,
"tileRandomXMin": 0,
"tileRandomXMax": 0,
"tileRandomYMin": 0,
"tileRandomYMax": 0,
"checker": "None",
"tileMode": "Single",
"pivotX": 0,
"pivotY": 0,
"outOfBoundsValue": null,
"invalidated": false,
"perlinActive": false,
"perlinSeed": 4982073,
"perlinScale": 0.2,
"perlinOctaves": 2
},
{
"uid": 62,
"active": true,
@@ -177,6 +241,70 @@
"perlinScale": 0.2,
"perlinOctaves": 2
},
{
"uid": 76,
"active": true,
"size": 3,
"tileRectsIds": [[18]],
"alpha": 1,
"chance": 1,
"breakOnMatch": true,
"pattern": [0,0,0,0,-4,4,0,0,0],
"flipX": false,
"flipY": false,
"xModulo": 1,
"yModulo": 1,
"xOffset": 0,
"yOffset": 0,
"tileXOffset": 0,
"tileYOffset": 0,
"tileRandomXMin": 0,
"tileRandomXMax": 0,
"tileRandomYMin": 0,
"tileRandomYMax": 0,
"checker": "None",
"tileMode": "Single",
"pivotX": 0,
"pivotY": 0,
"outOfBoundsValue": null,
"invalidated": false,
"perlinActive": false,
"perlinSeed": 7205227,
"perlinScale": 0.2,
"perlinOctaves": 2
},
{
"uid": 77,
"active": true,
"size": 3,
"tileRectsIds": [[7]],
"alpha": 1,
"chance": 1,
"breakOnMatch": true,
"pattern": [0,0,0,0,-4,0,0,4,0],
"flipX": false,
"flipY": false,
"xModulo": 1,
"yModulo": 1,
"xOffset": 0,
"yOffset": 0,
"tileXOffset": 0,
"tileYOffset": 0,
"tileRandomXMin": 0,
"tileRandomXMax": 0,
"tileRandomYMin": 0,
"tileRandomYMax": 0,
"checker": "None",
"tileMode": "Single",
"pivotX": 0,
"pivotY": 0,
"outOfBoundsValue": null,
"invalidated": false,
"perlinActive": false,
"perlinSeed": 7205227,
"perlinScale": 0.2,
"perlinOctaves": 2
},
{
"uid": 58,
"active": true,
@@ -1456,13 +1584,18 @@
{ "px": [0,48], "src": [112,16], "f": 0, "t": 19, "d": [58,69], "a": 1 },
{ "px": [0,64], "src": [112,16], "f": 0, "t": 19, "d": [58,92], "a": 1 },
{ "px": [0,80], "src": [112,16], "f": 0, "t": 19, "d": [58,115], "a": 1 },
{ "px": [240,128], "src": [112,16], "f": 0, "t": 19, "d": [58,199], "a": 1 },
{ "px": [240,112], "src": [112,0], "f": 0, "t": 7, "d": [77,176], "a": 1 },
{ "px": [224,128], "src": [96,16], "f": 0, "t": 18, "d": [76,198], "a": 1 },
{ "px": [0,96], "src": [112,32], "f": 0, "t": 31, "d": [60,138], "a": 1 },
{ "px": [240,144], "src": [112,32], "f": 0, "t": 31, "d": [60,222], "a": 1 },
{ "px": [64,0], "src": [128,16], "f": 0, "t": 20, "d": [62,4], "a": 1 },
{ "px": [48,16], "src": [128,16], "f": 0, "t": 20, "d": [62,26], "a": 1 },
{ "px": [32,32], "src": [128,16], "f": 0, "t": 20, "d": [62,48], "a": 1 },
{ "px": [16,48], "src": [128,16], "f": 0, "t": 20, "d": [62,70], "a": 1 },
{ "px": [16,64], "src": [128,16], "f": 0, "t": 20, "d": [62,93], "a": 1 },
{ "px": [16,80], "src": [128,16], "f": 0, "t": 20, "d": [62,116], "a": 1 }
{ "px": [16,80], "src": [128,16], "f": 0, "t": 20, "d": [62,116], "a": 1 },
{ "px": [256,128], "src": [128,16], "f": 0, "t": 20, "d": [62,200], "a": 1 },
{ "px": [48,16], "src": [128,32], "f": 0, "t": 32, "d": [74,26], "a": 1 },
{ "px": [32,32], "src": [128,32], "f": 0, "t": 32, "d": [74,48], "a": 1 },
{ "px": [16,48], "src": [128,32], "f": 0, "t": 32, "d": [74,70], "a": 1 }
],
"seed": 7565984,
"overrideTilesetUid": null,
@@ -1493,7 +1626,7 @@
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,3,1,1,1,1,4,1,1,1,1,1,2,2,2,1,1,1,1,
1,1,1,1,1,3,1,1,1,1,4,1,1,1,1,2,2,2,2,2,2,1,1,1,1,1,1,1,3,1,1,1,1,1,1,
1,1,1,2,2,5,2,2,2,1,1,3,3,3,3,3,3,1,1,1,1,1,1,2,2,1,1,2,5,2,1,1,1,1,3,
1,1,1,1,1,1,1,1,1,1,2,2,2,2,1,2,2,2,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,1,
1,1,1,1,1,1,1,1,1,1,2,2,2,2,1,2,2,2,1,1,1,1,3,1,4,1,1,1,1,1,1,1,1,1,1,
1,2,2,2,2,2,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,1,1,2,2,1,1,2,2,2,2,1,3,1,
1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,1,2,
2,2,2,2,1,1,1,1,1,3,1,1,1,1,1,1,1,1,1,2,2,2,2,2,1,1,1,1,1,3,3,3,3,1,1,
@@ -1720,7 +1853,6 @@
{ "px": [176,128], "src": [32,0], "f": 0, "t": 2, "d": [38,195], "a": 1 },
{ "px": [192,128], "src": [32,0], "f": 0, "t": 2, "d": [38,196], "a": 1 },
{ "px": [224,128], "src": [0,0], "f": 0, "t": 0, "d": [38,198], "a": 1 },
{ "px": [240,128], "src": [32,0], "f": 0, "t": 2, "d": [38,199], "a": 1 },
{ "px": [256,128], "src": [16,0], "f": 0, "t": 1, "d": [38,200], "a": 1 },
{ "px": [272,128], "src": [16,0], "f": 0, "t": 1, "d": [38,201], "a": 1 },
{ "px": [288,128], "src": [16,0], "f": 0, "t": 1, "d": [38,202], "a": 1 },
@@ -1918,6 +2050,7 @@
{ "px": [0,48], "src": [0,0], "f": 0, "t": 0, "d": [56,69], "a": 1 },
{ "px": [0,64], "src": [0,0], "f": 0, "t": 0, "d": [56,92], "a": 1 },
{ "px": [0,80], "src": [16,0], "f": 0, "t": 1, "d": [56,115], "a": 1 },
{ "px": [240,128], "src": [16,0], "f": 0, "t": 1, "d": [56,199], "a": 1 },
{ "px": [288,0], "src": [112,48], "f": 0, "t": 43, "d": [73,18], "a": 1 },
{ "px": [288,16], "src": [112,48], "f": 0, "t": 43, "d": [73,41], "a": 1 },
{ "px": [288,32], "src": [112,48], "f": 0, "t": 43, "d": [73,64], "a": 1 },

44
src/main.rs
View File

@@ -127,7 +127,12 @@ fn levelload(
let mut lyr_dep = 50f32;
lvl.layer_instances.iter().for_each(|li| {
li.al_tiles.iter().for_each(|t| {
commands.spawn((
let pos = I64Vec2 {
x: t.px_coords.x as i64,
y: 256 - t.px_coords.y as i64,
};
let mut tile = commands.spawn((
Transform::from_xyz(pos.x as f32, pos.y as f32, lyr_dep),
Sprite::from_atlas_image(
tmap_sprite.clone(),
TextureAtlas {
@@ -135,10 +140,33 @@ fn levelload(
index: t.ty as usize,
},
),
Transform::from_xyz(t.px_coords.x as f32, 256. - t.px_coords.y as f32, lyr_dep),
));
});
match t.ty {
19 | 22 => {
info!("Trees!");
tile.insert((
Name::from("Trees"),
Transform::from_xyz(pos.x as f32, pos.y as f32, 200.),
PhysicsBody2D {
pos: pos * UNITS_TO_PX_SCALE,
immovable: true,
..default()
},
AABBCollider::new(
16 * UNITS_TO_PX_SCALE as u32,
16 * UNITS_TO_PX_SCALE as u32,
),
// Sprite::from_color(Color::WHITE, vec2(16., 16.)),
));
}
6..=11 | 18..=23 | 30..=35 => {
tile.insert(Transform::from_xyz(pos.x as f32, pos.y as f32, 200.));
}
_ => (),
};
lyr_dep -= 0.1;
})
});
println!("Total layer depth: {lyr_dep}");
@@ -229,12 +257,12 @@ fn gameloop(
} else {
play_phys.apply_force(dir * UNITS_TO_PX_SCALE, Some(UNITS_TO_PX_SCALE * 10 / 100));
}
let pos = play_phys.pos.clone();
*player_sing.1 = Transform::from_xyz(
(play_phys.pos.x / UNITS_TO_PX_SCALE) as f32,
(play_phys.pos.y / UNITS_TO_PX_SCALE) as f32,
100.,
);
let t = player_sing.1.as_mut();
t.translation.x = (pos.x / UNITS_TO_PX_SCALE) as f32;
t.translation.y = (pos.y / UNITS_TO_PX_SCALE) as f32;
// *player_sing.1 = t;x
let plyr = player_sing.2.as_mut();

76
src/physics.rs
View File

@@ -46,7 +46,7 @@ fn resolve_aabb_collisions(mut query: Query<(&mut PhysicsBody2D, &AABBCollider)>
let len = bcs.len();
let mut updated_bcs: Vec<(usize, PhysicsBody2D)> = Vec::new();
let mut corrections: Vec<(usize, I64Vec2)> = Vec::new();
for i in 0..len {
let (b, c) = &bcs[i];
@@ -83,71 +83,51 @@ fn resolve_aabb_collisions(mut query: Query<(&mut PhysicsBody2D, &AABBCollider)>
let dx = b.pos.x - other_b.pos.x;
let dy = b.pos.y - other_b.pos.y;
if other_b.immovable {
// move backwards along dx/dy until we're out
let mut corr_vec = I64Vec2::ZERO;
let (new_x, new_y) = match dx.abs() > dy.abs() {
if other_b.immovable {
match dx.abs() > dy.abs() {
true => {
let dist = (c.width + other_c.width) as i64 / 2;
let tgt_x = other_b.pos.x
+ match dx > 0 {
true => dist,
false => -dist,
};
match dx > 0 {
true => (other_b.pos.x + dist, b.pos.y),
false => (other_b.pos.x - dist, b.pos.y),
}
corr_vec.x = tgt_x - b.pos.x;
}
false => {
let dist = (c.height + other_c.height) as i64 / 2;
let tgt_y = other_b.pos.y
+ match dy > 0 {
true => dist,
false => -dist,
};
match dy > 0 {
true => (b.pos.x, other_b.pos.y + dist),
false => (b.pos.x, other_b.pos.y - dist),
}
corr_vec.y = tgt_y - b.pos.y;
}
};
// let new_x = match dx {
// ..0 => other_b.pos.x - (c.width / 2 + other_c.width / 2) as i64,
// 0 => b.pos.x,
// 1.. => other_b.pos.x + (c.width / 2 + other_c.width / 2) as i64,
// };
// let new_y = match dy {
// ..0 => other_b.pos.y - (c.height / 2 + other_c.height / 2) as i64,
// 0 => b.pos.y,
// 1.. => other_b.pos.y + (c.height / 2 + other_c.height / 2) as i64,
// };
let updated_b = PhysicsBody2D {
pos: I64Vec2 { x: new_x, y: new_y },
vel: b.vel,
immovable: false,
};
updated_bcs.push((i, updated_b));
corrections.push((i, corr_vec));
} else {
let updated_b = PhysicsBody2D {
pos: b.pos - I64Vec2::new(dx / 2, dy / 2),
vel: b.vel,
immovable: false,
};
let other_updated_b = PhysicsBody2D {
pos: other_b.pos + I64Vec2::new(dx / 2, dy / 2),
vel: other_b.vel,
immovable: false,
};
updated_bcs.push((i, updated_b));
updated_bcs.push((i, other_updated_b));
todo!("no dynamic handling yet..");
}
}
}
for (i, (mut b, c)) in query.iter_mut().enumerate() {
let Some((_, updateb)) = updated_bcs.iter().find(|(j, _)| i == *j) else {
continue;
};
let mut summed_corr = I64Vec2::ZERO;
*b = updateb.clone();
for (j, corr) in corrections.iter() {
if i != *j {
continue;
}
summed_corr += corr;
}
b.pos = b.pos + summed_corr;
}
}