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package ru.olamedia.math;
public class ViewMatrix extends Matrix4f {
private Matrix4f translation = new Matrix4f();
private Matrix4f scale = new Matrix4f();
private Matrix4f rotation = new Matrix4f();
private TransformMatrix transform = new TransformMatrix();
public ViewMatrix() {
translation.setIdentity();
scale.setIdentity();
rotation.setIdentity();
transform.setIdentity();
pack();
}
public void pack() {
loadIdentity();
transform.loadIdentity();
transform.applyScale(scale);
transform.applyRotation(rotation);
transform.applyTranslation(translation);
apply(transform);
@SuppressWarnings("unused")
float[] t = transform.toFloatArray();
// this.m[12] = 0;
// this.m[13] = 0;
// this.m[14] = 0;
// Fill translation:
// this.m[3] = -(t[0] * t[12] + t[1] * t[13] + t[2] * t[14]);
// this.m[7] = -(t[4] * t[12] + t[5] * t[13] + t[6] * t[14]);
// this.m[11] = (t[8] * t[12] + t[9] * t[13] + t[10] * t[14]);
// m[12] = -(t[0] * t[12] + t[1] * t[13] + t[2] * t[14]);
// m[13] = -(t[4] * t[12] + t[5] * t[13] + t[6] * t[14]);
// m[14] = (t[8] * t[12] + t[9] * t[13] + t[10] * t[14]);
}
public float getX() {
return -translation.get(12);
}
public float getY() {
return -translation.get(13);
}
public float getZ() {
return -translation.get(14);
}
/**
* @return the translation
*/
public Matrix4f getTranslation() {
return translation;
}
/**
* @param translation
* the translation to set
*/
public void setTranslation(Matrix4f translation) {
this.translation = translation;
}
/**
* @return the scale
*/
public Matrix4f getScale() {
return scale;
}
/**
* @param scale
* the scale to set
*/
public void setScale(Matrix4f scale) {
this.scale = scale;
}
/**
* @return the rotation
*/
public Matrix4f getRotation() {
return rotation;
}
/**
* @param rotation
* the rotation to set
*/
public void setRotation(Matrix4f rotation) {
this.rotation = rotation;
}
public void rotateX(float degrees) {
setRotation(getRotation().multiply(Matrix4f.rotateXMatrix(degrees)));
}
public void rotateY(float degrees) {
setRotation(getRotation().multiply(Matrix4f.rotateYMatrix(degrees)));
}
public void rotateZ(float degrees) {
setRotation(getRotation().multiply(Matrix4f.rotateZMatrix(degrees)));
}
public Matrix4f getTransform() {
return transform;
}
}
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