/**
* Linearly interpolates between this {@link Matrix4} and the given {@link Matrix4} by the given
* factor.
*
* @param matrix {@link Matrix4} The other matrix.
* @param t {@code double} The interpolation ratio. The result is weighted to this value on the
* {@link Matrix4}.
* @return A reference to this {@link Matrix4} to facilitate chaining.
*/
@NonNull
public Matrix4 lerp(@NonNull Matrix4 matrix, double t) {
matrix.toArray(mTmp);
for (int i = 0; i < 16; ++i) {
m[i] = m[i] * (1.0 - t) + t * mTmp[i];
}
return this;
}
/**
* Adds the given {@link Matrix4} to this one.
*
* @param matrix {@link Matrix4} The matrix to add.
* @return A reference to this {@link Matrix4} to facilitate chaining.
*/
@NonNull
public Matrix4 add(@NonNull Matrix4 matrix) {
// @formatter:off
matrix.toArray(mTmp);
m[0] += mTmp[0];
m[1] += mTmp[1];
m[2] += mTmp[2];
m[3] += mTmp[3];
m[4] += mTmp[4];
m[5] += mTmp[5];
m[6] += mTmp[6];
m[7] += mTmp[7];
m[8] += mTmp[8];
m[9] += mTmp[9];
m[10] += mTmp[10];
m[11] += mTmp[11];
m[12] += mTmp[12];
m[13] += mTmp[13];
m[14] += mTmp[14];
m[15] += mTmp[15];
return this;
// @formatter:on
}
/**
* Subtracts the given {@link Matrix4} to this one.
*
* @param matrix {@link Matrix4} The matrix to subtract.
* @return A reference to this {@link Matrix4} to facilitate chaining.
*/
@NonNull
public Matrix4 subtract(@NonNull Matrix4 matrix) {
// @formatter:off
matrix.toArray(mTmp);
m[0] -= mTmp[0];
m[1] -= mTmp[1];
m[2] -= mTmp[2];
m[3] -= mTmp[3];
m[4] -= mTmp[4];
m[5] -= mTmp[5];
m[6] -= mTmp[6];
m[7] -= mTmp[7];
m[8] -= mTmp[8];
m[9] -= mTmp[9];
m[10] -= mTmp[10];
m[11] -= mTmp[11];
m[12] -= mTmp[12];
m[13] -= mTmp[13];
m[14] -= mTmp[14];
m[15] -= mTmp[15];
return this;
// @formatter:on
}
/**
* Sets the elements of this {@link Matrix4} based on the elements of the provided {@link
* Matrix4}.
*
* @param matrix {@link Matrix4} to copy.
* @return A reference to this {@link Matrix4} to facilitate chaining.
*/
@NonNull
public Matrix4 setAll(@NonNull Matrix4 matrix) {
matrix.toArray(m);
return this;
}