Use transparent material params for alpha transparent textures

[deathcap]

voxel-texture creates a MeshFaceMaterial with two materials:

this.material = new this.THREE.MeshFaceMaterial([
  opaque,
  transparent
]);

and uses the first if !isTransparent, second otherwise. They only differ in that transparent: true is set in the material parameters.

voxel-texture-shader always uses the first material, with transparent: false, so it cannot handle alpha transparency. However the vertex shader does include:

'   if (gl_FragColor.a < 0.001) discard; // transparency',

for full transparency (glass), but it won't work for, e.g., water.

Should restore the secondary transparent material parameters.

[deathcap]

Fixed, here's what an example transparent texture now looks like:

Note this is the same as voxel-texture:

[greenlion]

Very nice!

Sent from my iPhone

On Feb 22, 2014, at 7:02 PM, deathcap notifications@github.com wrote:

Fixed, here's what an example transparent texture now looks like:

Note this is the same as voxel-texture:

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