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Merged
ynks merged 11 commits into from
Oct 20, 2026
Merged

Fracturing and Shattering #346

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09f24cc
fixed a bug where you could not destroy voxels on corners
ynks Oct 14, 2026
73a157f
half fixed fast spin bug
ynks Oct 14, 2026
7d45090
Merge branch 'dev' into feature/fracturing
ynks Oct 16, 2026
5eeb81d
random generator
ynks Oct 16, 2026
b654f21
Starting with fragments
ynks Oct 16, 2026
e22a90f
Merge branch 'dev' into feature/fracturing
ynks Oct 16, 2026
7350897
ill continue tomorrow
ynks Oct 16, 2026
0fefc13
Fracturing and shattering
ynks Oct 18, 2026
82906b0
Debris
ynks Oct 19, 2026
f68c1a8
clang-tidy
ynks Oct 20, 2026
2cca182
nya
ynks Oct 20, 2026
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20 changes: 19 additions & 1 deletion editor/Assets/Types/DestructionMaterialAsset.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,10 +29,28 @@ public override Task CreateAsync(string path) {
$"density = 2000.0\n" +
$"toughness = 100.0\n" +
$"hardness = \"medium\"\n" +
$"fracture_pattern = \"brittle\"\n" +
$"structural_strength = 1000000.0\n" +
$"destructible = true\n" +
$"flammable = false\n" +
$"burn_rate = 0.0\n");
$"burn_rate = 0.0\n" +
$"\n[energy]\n" +
$"debris_share = 0.2\n" +
$"fragment_share = 0.5\n" +
$"\n[fragment]\n" +
$"threshold = 0.3\n" +
$"max_parts = 4\n" +
$"\n[shatter]\n" +
$"threshold = 0.1\n" +
$"cell_size = 0.5\n" +
$"crack_cost = 1.0\n" +
$"release = 0.3\n" +
$"stretch = 3.0\n" +
$"crumble = 0.5\n" +
$"\n[edge]\n" +
$"noise = 0.25\n" +
$"lobes = 0.35\n" +
$"noise_scale = 4.0\n");
return Task.CompletedTask;
}
}
198 changes: 172 additions & 26 deletions engine/assets/schemas/destruction_material.schema.json
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Original file line number Diff line number Diff line change
@@ -1,53 +1,199 @@
{
"$schema": "http://json-schema.org/draft-07/schema#",
"$id" : "core://schemas/destruction_material.schema.json",
"$id": "core://schemas/destruction_material.schema.json",
"title": "Destruction Material (.tdm)",
"type": "object",
"required" : ["density", "toughness"],
"required": [
"density",
"toughness"
],
"properties": {
"density": {
"type": "number",
"x-toast-type" : "float",
"x-toast-unit" : "kg/m^3",
"default" : 2000.0,
"minimum" : 1,
"maximum" : 65535
"x-toast-type": "float",
"x-toast-unit": "kg/m^3",
"default": 2000.0,
"minimum": 1,
"maximum": 65535
},
"toughness": {
"type": "number",
"x-toast-type" : "float",
"x-toast-unit" : "kJ/m^3",
"default" : 100.0,
"minimum" : 0
"x-toast-type": "float",
"x-toast-unit": "kJ/m^3",
"default": 100.0,
"minimum": 0
},
"hardness": {
"enum" : ["soft", "medium", "hard"],
"x-toast-type" : "enum",
"default" : "medium"
"enum": [
"soft",
"medium",
"hard"
],
"x-toast-type": "enum",
"default": "medium"
},
"fracture_pattern": {
"enum": [
"brittle",
"granular",
"fibrous",
"ductile"
],
"x-toast-type": "enum",
"default": "brittle"
},
"structural_strength": {
"type": "number",
"x-toast-type" : "float",
"x-toast-unit" : "Pa",
"default" : 1000000.0,
"minimum" : 0
"x-toast-type": "float",
"x-toast-unit": "Pa",
"default": 1000000.0,
"minimum": 0
},
"destructible": {
"type": "bool",
"x-toast-type" : "bool",
"default" : true
"x-toast-type": "bool",
"default": true
},
"flammable": {
"type": "bool",
"x-toast-type" : "bool",
"default" : false
"x-toast-type": "bool",
"default": false
},
"burn_rate": {
"type": "number",
"x-toast-type" : "float",
"x-toast-unit" : "s/m",
"default" : 0.0,
"minimum" : 0
"x-toast-type": "float",
"x-toast-unit": "s/m",
"default": 0.0,
"minimum": 0
},
"energy": {
"x-toast-type": "energy"
},
"fragment": {
"x-toast-type": "fragment"
},
"shatter": {
"x-toast-type": "shatter"
},
"edge": {
"x-toast-type": "edge"
}
},
"definitions": {
"energy": {
"type": "object",
"properties": {
"debris_share": {
"type": "number",
"x-toast-type": "float",
"default": 0.2,
"minimum": 0,
"maximum": 1
},
"fragment_share": {
"type": "number",
"x-toast-type": "float",
"default": 0.5,
"minimum": 0,
"maximum": 1
}
}
},
"fragment": {
"type": "object",
"properties": {
"threshold": {
"type": "number",
"x-toast-type": "float",
"x-toast-unit": "x toughness",
"default": 0.3,
"minimum": 0.001,
"maximum": 65
},
"max_parts": {
"type": "integer",
"x-toast-type": "int",
"default": 4,
"minimum": 2,
"maximum": 32
}
}
},
"shatter": {
"type": "object",
"properties": {
"threshold": {
"type": "number",
"x-toast-type": "float",
"x-toast-unit": "x toughness",
"default": 0.1,
"minimum": 0.001,
"maximum": 65
},
"cell_size": {
"type": "number",
"x-toast-type": "float",
"x-toast-unit": "m",
"default": 0.5,
"minimum": 0.05,
"maximum": 2.5
},
"crack_cost": {
"type": "number",
"x-toast-type": "float",
"default": 1.0,
"minimum": 0,
"maximum": 3.9
},
"release": {
"type": "number",
"x-toast-type": "float",
"default": 0.3,
"minimum": 0,
"maximum": 1
},
"stretch": {
"type": "number",
"x-toast-type": "float",
"default": 3.0,
"minimum": 1,
"maximum": 15.9
},
"crumble": {
"type": "number",
"x-toast-type": "float",
"default": 0.5,
"minimum": 0,
"maximum": 1
}
}
},
"edge": {
"type": "object",
"properties": {
"noise": {
"type": "number",
"x-toast-type": "float",
"default": 0.25,
"minimum": 0,
"maximum": 0.9
},
"lobes": {
"type": "number",
"x-toast-type": "float",
"default": 0.35,
"minimum": 0,
"maximum": 0.9
},
"noise_scale": {
"type": "number",
"x-toast-type": "float",
"x-toast-unit": "voxels",
"default": 4.0,
"minimum": 0,
"maximum": 63
}
}
}
}
}
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