employing a particular texture on a personalized shape leads to a WebGL issue stating "trying to reach vertices that are out of bounds."

When implementing the following code:

let shape = new THREE.Geometry()
shape.vertices.length = 0
shape.faces.length = 0
shape.vertices.push(new THREE.Vector3(0, 0, 0))
shape.vertices.push(new THREE.Vector3(0, 0, 32))
shape.vertices.push(new THREE.Vector3(0, 32, 32))
shape.vertices.push(new THREE.Vector3(0, 32, 0))
shape.faces.push(new THREE.Face4(0, 1, 2, 3))

var wireMaterial = new THREE.MeshBasicMaterial({
  color : 0xffffff,
  wireframe : true
})

var grassMaterial = new THREE.MeshLambertMaterial( { map: THREE.ImageUtils.loadTexture("grass.png") } )
var grassFaceMaterial = new THREE.MeshFaceMaterial([grassMaterial])

scene.add(new THREE.Mesh( shape, grassFaceMaterial ))

the wireMesh function performs as expected:

However, when attempting to utilize the textured mesh grassFaceMaterial as the material in the final line of code, an error is generated:

javascriptthree.js

Answer №1

Don't forget to include the UV coordinates for proper texture mapping.

geometry.faceVertexUvs[ 0 ].push([
   new THREE.Vector2(0, 0 ),
   new THREE.Vector2( 0, 1 ),
   new THREE.Vector2( 1, 1 ),
   new THREE.Vector2( 1, 0)
] )

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