Example usage for com.badlogic.gdx.math Matrix4 M00

List of usage examples for com.badlogic.gdx.math Matrix4 M00

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Introduction

In this page you can find the example usage for com.badlogic.gdx.math Matrix4 M00.

Prototype

int M00

To view the source code for com.badlogic.gdx.math Matrix4 M00.

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Document

XX: Typically the unrotated X component for scaling, also the cosine of the angle when rotated on the Y and/or Z axis.

Usage

From source file:CB_UI_Base.graphics.GL_Matrix.java

License:Open Source License

/**
 * Preconcats the matrix with the specified scale. M' = M * S(sx, sy, px, py)
 *///w  w w .  j a  v  a  2 s  .  c o m
@Override
public void preScale(float sx, float sy, float px, float py) {
    Matrix4 m = new Matrix4();
    // set Scale sx,sy,px,py
    {

        m.val[Matrix4.M00] = sx;
        m.val[Matrix4.M11] = sy;
        m.val[Matrix4.M03] = px - sx * px;
        m.val[Matrix4.M13] = py - sy * py;

    }

    this.matrix4.mul(m);
}

From source file:CB_UI_Base.graphics.GL_Matrix.java

License:Open Source License

@Override
public void mapPoints(float[] src) {

    float[] dst = new float[src.length];

    for (int i = 0; i * 2 < src.length; i++) {

        int j = i * 2;

        float x = src[j] * matrix4.val[Matrix4.M00] + src[j + 1] * matrix4.val[Matrix4.M01]
                + matrix4.val[Matrix4.M03];
        float y = src[j] * matrix4.val[Matrix4.M10] + src[j + 1] * matrix4.val[Matrix4.M11]
                + matrix4.val[Matrix4.M13];

        dst[j] = x;/*from w  w w. j a  v  a2 s.  co  m*/
        dst[j + 1] = y;

    }

    System.arraycopy(dst, 0, src, 0, src.length);

}

From source file:CB_UI_Base.graphics.GL_Matrix.java

License:Open Source License

@Override
public void setValues(float[] fs) {

    matrix4.val[Matrix4.M00] = fs[0];
    matrix4.val[Matrix4.M01] = fs[1];
    matrix4.val[Matrix4.M03] = fs[2];
    matrix4.val[Matrix4.M10] = fs[3];
    matrix4.val[Matrix4.M11] = fs[4];
    matrix4.val[Matrix4.M13] = fs[5];
    matrix4.val[Matrix4.M20] = fs[6];
    matrix4.val[Matrix4.M21] = fs[7];
    matrix4.val[Matrix4.M22] = fs[8];

}

From source file:CB_UI_Base.graphics.GL_Matrix.java

License:Open Source License

@Override
public void preRotate(Float angle, Float px, Float py) {

    // ## native android ##
    // const SkScalar oneMinusCosV = 1 - cosV;
    ////from ww  w  . j  av a 2 s .c  o m
    // fMat[kMScaleX] = cosV;
    // fMat[kMSkewX] = -sinV;
    // fMat[kMTransX] = sdot(sinV, py, oneMinusCosV, px);
    //
    // fMat[kMSkewY] = sinV;
    // fMat[kMScaleY] = cosV;
    // fMat[kMTransY] = sdot(-sinV, px, oneMinusCosV, py);
    //
    // fMat[kMPersp0] = fMat[kMPersp1] = 0;
    // fMat[kMPersp2] = 1;

    Matrix4 m = new Matrix4();
    m.rotate(0, 0, 1, angle);
    float oneMinusCosV = 1 - m.val[Matrix4.M00];
    float sinV = m.val[Matrix4.M10];
    m.val[Matrix4.M03] = sdot(sinV, py, oneMinusCosV, px);
    m.val[Matrix4.M13] = sdot(-sinV, px, oneMinusCosV, py);

    this.matrix4.mul(m);
}

From source file:CB_UI_Base.graphics.GL_Matrix.java

License:Open Source License

@Override
public void getValues(float[] mValues) {
    mValues[0] = matrix4.val[Matrix4.M00];
    mValues[1] = matrix4.val[Matrix4.M01];
    mValues[2] = matrix4.val[Matrix4.M03];
    mValues[3] = matrix4.val[Matrix4.M10];
    mValues[4] = matrix4.val[Matrix4.M11];
    mValues[5] = matrix4.val[Matrix4.M13];
    mValues[6] = matrix4.val[Matrix4.M20];
    mValues[7] = matrix4.val[Matrix4.M21];
    mValues[8] = matrix4.val[Matrix4.M22];
}

From source file:CB_UI_Base.graphics.GL_Matrix.java

License:Open Source License

@Override
public String toString() {
    return "[" + this.matrix4.val[Matrix4.M00] + "|" + this.matrix4.val[Matrix4.M01] + "|"
            + this.matrix4.val[Matrix4.M03] + "]\n" + "[" + this.matrix4.val[Matrix4.M10] + "|"
            + this.matrix4.val[Matrix4.M11] + "|" + this.matrix4.val[Matrix4.M13] + "]\n" + "["
            + this.matrix4.val[Matrix4.M20] + "|" + this.matrix4.val[Matrix4.M21] + "|"
            + this.matrix4.val[Matrix4.M22] + "]";
}

From source file:CB_UI_Base.graphics.GL_Matrix.java

License:Open Source License

public static void MapPoints(float[] values, Matrix4 matrix4) {
    int index = 0;
    while (index < values.length) {
        float x0 = values[index] * matrix4.val[Matrix4.M00] + values[index + 1] * matrix4.val[Matrix4.M01]
                + matrix4.val[Matrix4.M03];
        float y0 = values[index] * matrix4.val[Matrix4.M10] + values[index + 1] * matrix4.val[Matrix4.M11]
                + matrix4.val[Matrix4.M13];

        values[index] = x0;/*from   ww w.  j  av a 2  s .c  om*/
        values[index + 1] = y0;

        index += 2;
    }
}

From source file:CB_UI_Base.graphics.GL_Matrix.java

License:Open Source License

public static void MapPoint(float x, float y, Matrix4 matrix4, float[] mapedPoint) {
    mapedPoint[0] = x * matrix4.val[Matrix4.M00] + y * matrix4.val[Matrix4.M01] + matrix4.val[Matrix4.M03];
    mapedPoint[1] = x * matrix4.val[Matrix4.M10] + y * matrix4.val[Matrix4.M11] + matrix4.val[Matrix4.M13];
}

From source file:com.box2dLight.box2dLight.RayHandler.java

License:Apache License

/** Set combined camera matrix. Matrix will be copied and used for rendering lights, culling. Matrix must be set to work in
 * box2d coordinates. Matrix has to be updated every frame(if camera is changed)
 * /*from w  ww  .  j a va  2  s  .  c o  m*/
 * 
 * NOTE: Matrix4 is assumed to be orthogonal for culling and directional lights.
 * 
 * If any problems detected Use: [public void setCombinedMatrix(Matrix4 combined, float x, float y, float viewPortWidth, float
 * viewPortHeight)] Instead
 * 
 * 
 * @param combined matrix that include projection and translation matrices */
public void setCombinedMatrix(Matrix4 combined) {
    System.arraycopy(combined.val, 0, this.combined.val, 0, 16);

    // updateCameraCorners
    float invWidth = combined.val[Matrix4.M00];

    final float halfViewPortWidth = 1f / invWidth;
    final float x = -halfViewPortWidth * combined.val[Matrix4.M03];
    x1 = x - halfViewPortWidth;
    x2 = x + halfViewPortWidth;

    float invHeight = combined.val[Matrix4.M11];

    final float halfViewPortHeight = 1f / invHeight;
    final float y = -halfViewPortHeight * combined.val[Matrix4.M13];
    y1 = y - halfViewPortHeight;
    y2 = y + halfViewPortHeight;

}

From source file:gaia.cu9.ari.gaiaorbit.util.g3d.MeshBuilder2.java

License:Apache License

@Override
public void arrow(float x1, float y1, float z1, float x2, float y2, float z2, float capLength,
        float stemThickness, int divisions) {
    Vector3 begin = tmp(x1, y1, z1), end = tmp(x2, y2, z2);
    float length = begin.dst(end);
    float coneHeight = length * capLength;
    float coneDiameter = 2 * (float) (coneHeight * Math.sqrt(1f / 3));
    float stemLength = length - coneHeight;
    float stemDiameter = coneDiameter * stemThickness;

    Vector3 up = tmp(end).sub(begin).nor();
    Vector3 forward = tmp(up).crs(Vector3.Z);
    if (forward.isZero())
        forward.set(Vector3.X);/* w w  w . j a va  2  s. c om*/
    forward.crs(up).nor();
    Vector3 left = tmp(up).crs(forward).nor();
    Vector3 direction = tmp(end).sub(begin).nor();

    // Matrices
    Matrix4 userTransform = getVertexTransform(tmp());
    Matrix4 transform = tmp();
    float[] val = transform.val;
    val[Matrix4.M00] = left.x;
    val[Matrix4.M01] = up.x;
    val[Matrix4.M02] = forward.x;
    val[Matrix4.M10] = left.y;
    val[Matrix4.M11] = up.y;
    val[Matrix4.M12] = forward.y;
    val[Matrix4.M20] = left.z;
    val[Matrix4.M21] = up.z;
    val[Matrix4.M22] = forward.z;
    Matrix4 temp = tmp();

    // Stem
    transform.setTranslation(tmp(direction).scl(stemLength / 2).add(x1, y1, z1));
    setVertexTransform(temp.set(transform).mul(userTransform));
    cylinder(stemDiameter, stemLength, stemDiameter, divisions);

    // Cap
    transform.setTranslation(tmp(direction).scl(stemLength).add(x1, y1, z1));
    setVertexTransform(temp.set(transform).mul(userTransform));
    cone(coneDiameter, coneHeight, coneDiameter, divisions);

    setVertexTransform(userTransform);
    cleanup();
}