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ft: texture loading err handling

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now uses a default placeholder texture + colour source
This commit is contained in:
Djai Hougee
2026-09-13 21:01:47 +02:00
parent 5c6bf98f3e
commit f1f0bee4cf
6 changed files with 83 additions and 55 deletions
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37
scenes/lowDef.json Normal file
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{
"filename": "lowDef.png",
"image_width": 1920,
"image_height": 1080,
"max_depth": 50,
"camera": {
"anti_alias_rate": 7,
"fov": 20.0,
"look_from": [10, 5, 10],
"look_at": [0.0, 0.0, -1.0],
"vup": [0.0, 1.0, 0.0],
"defocus_angle": 0,
"focus_dist": 15.68
},
"materials": [
{ "type": "metal", "colour": "./balls", "prob": 1.0, "fuzz": 0.1},
{ "type": "metal", "colour": "./balls", "prob": 1.0, "fuzz": 0.1},
{ "type": "lambertian", "colour": "balls", "prob": 1.0},
{ "type": "metal", "colour": "./balls", "prob": 1.0, "fuzz": 0.1},
{ "type": "dielectric", "colour": "balls", "refraction_index": 1.5},
{ "type": "dielectric", "colour": "balls", "refraction_index": 1.5},
{ "type": "dielectric", "colour": "balls", "refraction_index": 1.5}
],
"objects": [
{ "type": "sphere", "center": [0, 0.7, -0.4], "radius": 0.2, "material": 0},
{ "type": "sphere", "center": [0.0, 0.5, -0.8], "radius": 0.1, "material": 1},
{ "type": "sphere", "center": [0.0, -100.5, -1.0], "radius": 100.0, "material": 2},
{ "type": "sphere", "center": [0.0, 0.0, -1.2], "radius": 0.5, "material": 3},
{ "type": "sphere", "center": [-1, 0, -1], "radius": 0.4, "material": 5},
{ "type": "sphere", "center": [1, 0, -1], "radius": 0.5, "material": 6},
{ "type": "sphere", "center": [20, 7, -15], "radius": 10.5, "material": 0}
]
}

37
scenes/texture.json
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@@ -1,37 +0,0 @@
{
"filename": "textured2.png",
"image_width": 1920,
"image_height": 1080,
"max_depth": 50,
"camera": {
"anti_alias_rate": 5,
"fov": 50.0,
"look_from": [-3, 4, 10],
"look_at": [-3, 0.0, -10.0],
"vup": [0.0, 1.0, 0.0],
"defocus_angle": 0,
"focus_dist": 15.68
},
"materials": [
{ "type": "lambertian", "colour": [0.2, 0.2, 0.2], "prob": 0.8 },
{ "type": "dielectric", "refraction_index": 1.5, "colour": [0.9, 0.1, 0.4]},
{ "type": "metal", "colour": "./textures/ballnold.png", "prob": 1.0, "fuzz": 0.1 },
{ "type": "dielectric", "refraction_index": 1.5}
],
"objects": [
{ "type": "sphere", "center": [0.0, 0.0, -1.2], "radius": 0.9, "material": 2},
{ "type": "sphere", "center": [-2, 0, -1], "radius": 0.8, "material": 1},
{ "type": "sphere", "center": [-2, 4, -1], "radius": 0.9, "material": 3},
{ "type": "triangle", "p1": [0, 0, -4], "p2": [4, 0, -4], "p3": [2, 2, -4], "material": 2},
{ "type": "triangle", "p1": [-2, 2, -4], "p2": [2, 2, -4], "p3": [0, 4, -4], "material": 1},
{ "type": "quad", "p1": [-20, -1, -20], "p2": [20, -1, -20], "p3": [20, 20, -20], "p4": [-20, 20, -20], "material": 0},
{ "type": "quad", "p1": [-20, -1, 20], "p2": [-20, -1, -20], "p3": [-20, 20, -20], "p4": [-20, 20, 20], "material": 0},
{ "type": "quad", "p1": [-20, -1, 20], "p2": [20, -1, 20], "p3": [20, -1, -20], "p4": [-20, -1, -20], "material": 0},
{ "type": "quad", "p1": [20, -1, 20], "p2": [20, -1, -20], "p3": [20, 20, -20], "p4": [20, 20, 20], "material": 0},
{ "type": "quad", "p1": [-4, 3, -4], "p2": [-1, 3, -4], "p3": [-1, 6, -4], "p4": [-4, 6, -4], "material": 1},
{ "type": "quad", "p1": [-8, 3, -4], "p2": [-5, 3, -4], "p3": [-5, 6, -4], "p4": [-8, 6, -4], "material": 2}
]
}