Normalize Vector src Matrix to dst Matrix - Android java.lang

Android examples for java.lang:Math Matrix

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Description

Normalize Vector src Matrix to dst Matrix

Demo Code


//package com.java2s;
import android.opengl.Matrix;

public class Main {
    /**//from  ww  w . j  ava2s  .c  om
     * Normalize Vector srcM to dstM
     * 
     * @param dstM The destination vector
     * @param dstOffset The destination vector offset
     * @param srcM The source vector
     * @param srcOffset The source vector offset
     */
    public static final void normalizeV(final float[] dstV,
            final int dstOffset, final float[] srcV, final int srcOffset) {
        //android.util.Log.d(TAG,"normalizeV()");
        final float length = Matrix.length(srcV[srcOffset],
                srcV[srcOffset + 1], srcV[srcOffset + 2]);
        if (length > 0) {
            dstV[dstOffset] = srcV[srcOffset] / length;
            dstV[dstOffset + 1] = srcV[srcOffset + 1] / length;
            dstV[dstOffset + 2] = srcV[srcOffset + 2] / length;
        }
        dstV[dstOffset + 3] = 1f;
    }
}

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