/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.renderscript;
/**
* Vector version of the basic float type.
* Provides three float fields packed.
*/
public class Float3 {
public float x;
public float y;
public float z;
public Float3() {
}
/** @hide */
public Float3(Float3 data) {
this.x = data.x;
this.y = data.y;
this.z = data.z;
}
public Float3(float x, float y, float z) {
this.x = x;
this.y = y;
this.z = z;
}
/** @hide
* Vector add
*
* @param a
* @param b
* @return
*/
public static Float3 add(Float3 a, Float3 b) {
Float3 res = new Float3();
res.x = a.x + b.x;
res.y = a.y + b.y;
res.z = a.z + b.z;
return res;
}
/** @hide
* Vector add
*
* @param value
*/
public void add(Float3 value) {
x += value.x;
y += value.y;
z += value.z;
}
/** @hide
* Vector add
*
* @param value
*/
public void add(float value) {
x += value;
y += value;
z += value;
}
/** @hide
* Vector add
*
* @param a
* @param b
* @return
*/
public static Float3 add(Float3 a, float b) {
Float3 res = new Float3();
res.x = a.x + b;
res.y = a.y + b;
res.z = a.z + b;
return res;
}
/** @hide
* Vector subtraction
*
* @param value
*/
public void sub(Float3 value) {
x -= value.x;
y -= value.y;
z -= value.z;
}
/** @hide
* Vector subtraction
*
* @param a
* @param b
* @return
*/
public static Float3 sub(Float3 a, Float3 b) {
Float3 res = new Float3();
res.x = a.x - b.x;
res.y = a.y - b.y;
res.z = a.z - b.z;
return res;
}
/** @hide
* Vector subtraction
*
* @param value
*/
public void sub(float value) {
x -= value;
y -= value;
z -= value;
}
/** @hide
* Vector subtraction
*
* @param a
* @param b
* @return
*/
public static Float3 sub(Float3 a, float b) {
Float3 res = new Float3();
res.x = a.x - b;
res.y = a.y - b;
res.z = a.z - b;
return res;
}
/** @hide
* Vector multiplication
*
* @param value
*/
public void mul(Float3 value) {
x *= value.x;
y *= value.y;
z *= value.z;
}
/** @hide
* Vector multiplication
*
* @param a
* @param b
* @return
*/
public static Float3 mul(Float3 a, Float3 b) {
Float3 res = new Float3();
res.x = a.x * b.x;
res.y = a.y * b.y;
res.z = a.z * b.z;
return res;
}
/** @hide
* Vector multiplication
*
* @param value
*/
public void mul(float value) {
x *= value;
y *= value;
z *= value;
}
/** @hide
* Vector multiplication
*
* @param a
* @param b
* @return
*/
public static Float3 mul(Float3 a, float b) {
Float3 res = new Float3();
res.x = a.x * b;
res.y = a.y * b;
res.z = a.z * b;
return res;
}
/** @hide
* Vector division
*
* @param value
*/
public void div(Float3 value) {
x /= value.x;
y /= value.y;
z /= value.z;
}
/** @hide
* Vector division
*
* @param a
* @param b
* @return
*/
public static Float3 div(Float3 a, Float3 b) {
Float3 res = new Float3();
res.x = a.x / b.x;
res.y = a.y / b.y;
res.z = a.z / b.z;
return res;
}
/** @hide
* Vector division
*
* @param value
*/
public void div(float value) {
x /= value;
y /= value;
z /= value;
}
/** @hide
* Vector division
*
* @param a
* @param b
* @return
*/
public static Float3 div(Float3 a, float b) {
Float3 res = new Float3();
res.x = a.x / b;
res.y = a.y / b;
res.z = a.z / b;
return res;
}
/** @hide
* Vector dot Product
*
* @param a
* @return
*/
public Float dotProduct(Float3 a) {
return new Float((x * a.x) + (y * a.y) + (z * a.z));
}
/** @hide
* Vector dot Product
*
* @param a
* @param b
* @return
*/
public static Float dotProduct(Float3 a, Float3 b) {
return new Float((b.x * a.x) + (b.y * a.y) + (b.z * a.z));
}
/** @hide
* Vector add Multiple
*
* @param a
* @param factor
*/
public void addMultiple(Float3 a, float factor) {
x += a.x * factor;
y += a.y * factor;
z += a.z * factor;
}
/** @hide
* set vector value by float3
*
* @param a
*/
public void set(Float3 a) {
this.x = a.x;
this.y = a.y;
this.z = a.z;
}
/** @hide
* set vector negate
*/
public void negate() {
x = -x;
y = -y;
z = -z;
}
/** @hide
* get vector length
*
* @return
*/
public int length() {
return 3;
}
/** @hide
* return the element sum of vector
*
* @return
*/
public Float elementSum() {
return new Float(x + y + z);
}
/** @hide
* get the vector field value by index
*
* @param i
* @return
*/
public float get(int i) {
switch (i) {
case 0:
return x;
case 1:
return y;
case 2:
return z;
default:
throw new IndexOutOfBoundsException("Index: i");
}
}
/** @hide
* set the vector field value by index
*
* @param i
* @param value
*/
public void setAt(int i, float value) {
switch (i) {
case 0:
x = value;
return;
case 1:
y = value;
return;
case 2:
z = value;
return;
default:
throw new IndexOutOfBoundsException("Index: i");
}
}
/** @hide
* add the vector field value by index
*
* @param i
* @param value
*/
public void addAt(int i, float value) {
switch (i) {
case 0:
x += value;
return;
case 1:
y += value;
return;
case 2:
z += value;
return;
default:
throw new IndexOutOfBoundsException("Index: i");
}
}
/** @hide
* set the vector field value
*
* @param x
* @param y
* @param z
*/
public void setValues(float x, float y, float z) {
this.x = x;
this.y = y;
this.z = z;
}
/** @hide
* copy the vector to float array
*
* @param data
* @param offset
*/
public void copyTo(float[] data, int offset) {
data[offset] = x;
data[offset + 1] = y;
data[offset + 2] = z;
}
}
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