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add support for quad faces in orx-obj-loader
This commit is contained in:
Edwin Jakobs
2019-05-18 01:25:12 +02:00
parent 82693c8858
commit e195a8b389
2 changed files with 13 additions and 13 deletions
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24
orx-obj-loader/src/main/kotlin/OBJLoader.kt
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@@ -145,29 +145,31 @@ fun loadOBJ(lines: List<String>): Map<String, List<Triangle>> {
it.map { it.toIntOrNull() }
}
if (indices.size == 3) {
for (i in 0 until indices.size-2) {
val attributes = indices[0].size
val o = i*2
val s = indices.size
val ps = if (attributes >= 1) arrayOf(
indices[0][0]?.let { positions[it - 1] } ?: Vector3.ZERO,
indices[1][0]?.let { positions[it - 1] } ?: Vector3.ZERO,
indices[2][0]?.let { positions[it - 1] } ?: Vector3.ZERO)
indices[(0+o)%s][0]?.let { positions[it - 1] } ?: Vector3.ZERO,
indices[(1+o)%s][0]?.let { positions[it - 1] } ?: Vector3.ZERO,
indices[(2+o)%s][0]?.let { positions[it - 1] } ?: Vector3.ZERO)
else
emptyArray()
val tcs = if (attributes >= 2) arrayOf(
indices[0][1]?.let { textureCoords[it - 1] } ?: Vector2.ZERO,
indices[1][1]?.let { textureCoords[it - 1] } ?: Vector2.ZERO,
indices[2][1]?.let { textureCoords[it - 1] } ?: Vector2.ZERO)
indices[(0+o)%s][1]?.let { textureCoords[it - 1] } ?: Vector2.ZERO,
indices[(1+o)%s][1]?.let { textureCoords[it - 1] } ?: Vector2.ZERO,
indices[(2+o)%s][1]?.let { textureCoords[it - 1] } ?: Vector2.ZERO)
else
emptyArray()
val ns = if (attributes >= 3) arrayOf(
indices[0][2]?.let { normals[it - 1] } ?: Vector3.ZERO,
indices[1][2]?.let { normals[it - 1] } ?: Vector3.ZERO,
indices[2][2]?.let { normals[it - 1] } ?: Vector3.ZERO)
indices[(0+o)%s][2]?.let { normals[it - 1] } ?: Vector3.ZERO,
indices[(1+o)%s][2]?.let { normals[it - 1] } ?: Vector3.ZERO,
indices[(2+o)%s][2]?.let { normals[it - 1] } ?: Vector3.ZERO)
else
emptyArray()
@@ -175,8 +177,6 @@ fun loadOBJ(lines: List<String>): Map<String, List<Triangle>> {
if(meshes.isEmpty()) {
meshes["no-name"] = activeMesh
}
} else {
TODO("implement non triangular surfaces ${indices.size}")
}
}
}