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  Code snippet that needs reviewing?  (Read 363 times)
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Offline EliwoodL

Senior Newbie





« Posted 2013-07-10 05:04:31 »

I have a segment of code that's supposed to put floats into a FloatBuffer to create a small voxel; however, whenever I try to render it, it comes out as a flat plane.
Could anyone help me with this?

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   public float[] voxelVertices(float x, float y, float z) {
      float xx = x * 0.2f, yy = y * 0.2f, zz = z * 0.2f;
      return new float[] {
            //   x,         y,            z
            // Top quad
            xx + 0.1f,      yy + 0.1f,      zz + 0.1f,
            xx - 0.1f,      yy + 0.1f,      zz + 0.1f,
            xx - 0.1f,      yy + 0.1f,      zz - 0.1f,
            xx + 0.1f,      yy + 0.1f,      zz - 0.1f,
            // Bottom quad
            xx + 0.1f,      yy - 0.1f,       zz - 0.1f,
            xx - 0.1f,      yy - 0.1f,      zz - 0.1f,
            xx - 0.1f,      yy - 0.1f,      zz + 0.1f,
            xx + 0.1f,      yy - 0.1f,      zz + 0.1f,
            // Front quad
            xx + 0.1f,      yy + 0.1f,      zz - 0.1f,
            xx - 0.1f,      yy + 0.1f,      zz - 0.1f,
            xx - 0.1f,      yy - 0.1f,      zz - 0.1f,
            xx + 0.1f,      yy - 0.1f,      zz - 0.1f,
            // Back quad
            xx + 0.1f,      yy - 0.1f,       zz + 0.1f,
            xx - 0.1f,      yy - 0.1f,       zz + 0.1f,
            xx - 0.1f,      yy + 0.1f,       zz + 0.1f,
            xx + 0.1f,      yy + 0.1f,       zz + 0.1f,
            // left quad
            xx - 0.1f,      yy + 0.1f,       zz - 0.1f,
            xx - 0.1f,      yy + 0.1f,       zz + 0.1f,
            xx - 0.1f,      yy - 0.1f,      zz + 0.1f,
            xx - 0.1f,      yy - 0.1f,      zz - 0.1f,
            // right quad
            xx + 0.1f,      yy + 0.1f,       zz + 0.1f,
            xx + 0.1f,      yy + 0.1f,      zz - 0.1f,
            xx + 0.1f,      yy - 0.1f,       zz - 0.1f,
            xx + 0.1f,      yy - 0.1f,       zz + 0.1f};
   }
Offline HeroesGraveDev

JGO Kernel


Medals: 269
Projects: 11
Exp: 2 years


┬─┬ノ(ಠ_ಠノ)(╯°□°)╯︵ ┻━┻


« Reply #1 - Posted 2013-07-10 05:28:14 »

1. Code should go in [.code][/.code] tags. (Ignore the dot)

2. If you haven't rotated your view, that's what it will look like.

Online SHC
« Reply #2 - Posted 2013-07-10 07:20:17 »

Till he edits his post, I'm posting here his code within the code tags.

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public float[] voxelVertices(float x, float y, float z)
{
    float xx = x * 0.2f, yy = y * 0.2f, zz = z * 0.2f;
    return new float[]
    {
        //   x,         y,            z

        // Top quad
        xx + 0.1f, yy + 0.1f, zz + 0.1f,
        xx - 0.1f, yy + 0.1f, zz + 0.1f,
        xx - 0.1f, yy + 0.1f, zz - 0.1f,
        xx + 0.1f, yy + 0.1f, zz - 0.1f,

        // Bottom quad
        xx + 0.1f, yy - 0.1f, zz - 0.1f,
        xx - 0.1f, yy - 0.1f, zz - 0.1f,
        xx - 0.1f, yy - 0.1f, zz + 0.1f,
        xx + 0.1f, yy - 0.1f, zz + 0.1f,

        // Front quad
        xx + 0.1f, yy + 0.1f, zz - 0.1f,
        xx - 0.1f, yy + 0.1f, zz - 0.1f,
        xx - 0.1f, yy - 0.1f, zz - 0.1f,
        xx + 0.1f, yy - 0.1f, zz - 0.1f,

        // Back quad
        xx + 0.1f, yy - 0.1f, zz + 0.1f,
        xx - 0.1f, yy - 0.1f, zz + 0.1f,
        xx - 0.1f, yy + 0.1f, zz + 0.1f,
        xx + 0.1f, yy + 0.1f, zz + 0.1f,

        // left quad
        xx - 0.1f, yy + 0.1f, zz - 0.1f,
        xx - 0.1f, yy + 0.1f, zz + 0.1f,
        xx - 0.1f, yy - 0.1f, zz + 0.1f,
        xx - 0.1f, yy - 0.1f, zz - 0.1f,

        // right quad
        xx + 0.1f, yy + 0.1f, zz + 0.1f,
        xx + 0.1f, yy + 0.1f, zz - 0.1f,
        xx + 0.1f, yy - 0.1f, zz - 0.1f,
        xx + 0.1f, yy - 0.1f, zz + 0.1f
    };
}

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