Java Code Examples for org.lwjgl.util.vector.Vector3f#normalise()
The following examples show how to use
org.lwjgl.util.vector.Vector3f#normalise() .
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Example 1
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 6 votes |
|
private void fillNormal(int[] faceData) {
Vector3f v1 = new Vector3f(faceData[3 * 7 + 0], faceData[3 * 7 + 1], faceData[3 * 7 + 2]);
Vector3f t = new Vector3f(faceData[1 * 7 + 0], faceData[1 * 7 + 1], faceData[1 * 7 + 2]);
Vector3f v2 = new Vector3f(faceData[2 * 7 + 0], faceData[2 * 7 + 1], faceData[2 * 7 + 2]);
Vector3f result1 = new Vector3f();
Vector3f result2 = new Vector3f();
Vector3f result3 = new Vector3f();
Vector3f.sub(v1, t, result1);
t.set(faceData[0 * 7 + 0], faceData[0 * 7 + 1], faceData[0 * 7 + 2]);
Vector3f.sub(v2, t, result2);
Vector3f.cross(result2, result1, result3);
result3.normalise();
int x = ((byte) (result3.x * 127)) & 0xFF;
int y = ((byte) (result3.y * 127)) & 0xFF;
int z = ((byte) (result3.z * 127)) & 0xFF;
for (int i = 0; i < 4; i++) {
faceData[i * 7 + 6] = x | (y << 0x08) | (z << 0x10);
}
}
Example 2
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 6 votes |
|
private void fillNormal(int[] faceData) {
Vector3f v1 = new Vector3f(faceData[3 * 7 + 0], faceData[3 * 7 + 1], faceData[3 * 7 + 2]);
Vector3f t = new Vector3f(faceData[1 * 7 + 0], faceData[1 * 7 + 1], faceData[1 * 7 + 2]);
Vector3f v2 = new Vector3f(faceData[2 * 7 + 0], faceData[2 * 7 + 1], faceData[2 * 7 + 2]);
Vector3f result1 = new Vector3f();
Vector3f result2 = new Vector3f();
Vector3f result3 = new Vector3f();
Vector3f.sub(v1, t, result1);
t.set(faceData[0 * 7 + 0], faceData[0 * 7 + 1], faceData[0 * 7 + 2]);
Vector3f.sub(v2, t, result2);
Vector3f.cross(result2, result1, result3);
result3.normalise();
int x = ((byte) (result3.x * 127)) & 0xFF;
int y = ((byte) (result3.y * 127)) & 0xFF;
int z = ((byte) (result3.z * 127)) & 0xFF;
for (int i = 0; i < 4; i++) {
faceData[i * 7 + 6] = x | (y << 0x08) | (z << 0x10);
}
}
Example 3
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 6 votes |
|
private void fillNormal(int[] faceData) {
Vector3f v1 = new Vector3f(faceData[3 * 7 + 0], faceData[3 * 7 + 1], faceData[3 * 7 + 2]);
Vector3f t = new Vector3f(faceData[1 * 7 + 0], faceData[1 * 7 + 1], faceData[1 * 7 + 2]);
Vector3f v2 = new Vector3f(faceData[2 * 7 + 0], faceData[2 * 7 + 1], faceData[2 * 7 + 2]);
Vector3f result1 = new Vector3f();
Vector3f result2 = new Vector3f();
Vector3f result3 = new Vector3f();
Vector3f.sub(v1, t, result1);
t.set(faceData[0 * 7 + 0], faceData[0 * 7 + 1], faceData[0 * 7 + 2]);
Vector3f.sub(v2, t, result2);
Vector3f.cross(result2, result1, result3);
result3.normalise();
int x = ((byte) (result3.x * 127)) & 0xFF;
int y = ((byte) (result3.y * 127)) & 0xFF;
int z = ((byte) (result3.z * 127)) & 0xFF;
for (int i = 0; i < 4; i++) {
faceData[i * 7 + 6] = x | (y << 0x08) | (z << 0x10);
}
}
Example 4
| Source File: Trackball.java From OpenModsLib with MIT License | 6 votes |
|
private Matrix4f getTransform(float mouseX, float mouseY) {
Preconditions.checkNotNull(dragStart, "Draging not started");
Vector3f current = calculateSpherePoint(mouseX, mouseY);
float dot = Vector3f.dot(dragStart, current);
if (Math.abs(dot - 1) < 0.0001) return lastTransform;
Vector3f axis = Vector3f.cross(dragStart, current, null);
try {
axis.normalise();
} catch (IllegalStateException e) { // Zero length vector
return lastTransform;
}
float angle = 2 * (float)(Math.acos(dot));
Matrix4f rotation = new Matrix4f();
rotation.rotate(angle, axis);
return Matrix4f.mul(rotation, lastTransform, null);
}
Example 5
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 6 votes |
|
private void fillNormal(int[] faceData) {
Vector3f v1 = new Vector3f(faceData[3 * 7 + 0], faceData[3 * 7 + 1], faceData[3 * 7 + 2]);
Vector3f t = new Vector3f(faceData[1 * 7 + 0], faceData[1 * 7 + 1], faceData[1 * 7 + 2]);
Vector3f v2 = new Vector3f(faceData[2 * 7 + 0], faceData[2 * 7 + 1], faceData[2 * 7 + 2]);
Vector3f result1 = new Vector3f();
Vector3f result2 = new Vector3f();
Vector3f result3 = new Vector3f();
Vector3f.sub(v1, t, result1);
t.set(faceData[0 * 7 + 0], faceData[0 * 7 + 1], faceData[0 * 7 + 2]);
Vector3f.sub(v2, t, result2);
Vector3f.cross(result2, result1, result3);
result3.normalise();
int x = ((byte) (result3.x * 127)) & 0xFF;
int y = ((byte) (result3.y * 127)) & 0xFF;
int z = ((byte) (result3.z * 127)) & 0xFF;
for (int i = 0; i < 4; i++) {
faceData[i * 7 + 6] = x | (y << 0x08) | (z << 0x10);
}
}
Example 6
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 6 votes |
|
private void fillNormal(int[] faceData) {
Vector3f v1 = new Vector3f(faceData[3 * 7 + 0], faceData[3 * 7 + 1], faceData[3 * 7 + 2]);
Vector3f t = new Vector3f(faceData[1 * 7 + 0], faceData[1 * 7 + 1], faceData[1 * 7 + 2]);
Vector3f v2 = new Vector3f(faceData[2 * 7 + 0], faceData[2 * 7 + 1], faceData[2 * 7 + 2]);
Vector3f result1 = new Vector3f();
Vector3f result2 = new Vector3f();
Vector3f result3 = new Vector3f();
Vector3f.sub(v1, t, result1);
t.set(faceData[0 * 7 + 0], faceData[0 * 7 + 1], faceData[0 * 7 + 2]);
Vector3f.sub(v2, t, result2);
Vector3f.cross(result2, result1, result3);
result3.normalise();
int x = ((byte) (result3.x * 127)) & 0xFF;
int y = ((byte) (result3.y * 127)) & 0xFF;
int z = ((byte) (result3.z * 127)) & 0xFF;
for (int i = 0; i < 4; i++) {
faceData[i * 7 + 6] = x | (y << 0x08) | (z << 0x10);
}
}
Example 7
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 6 votes |
|
private void fillNormal(int[] faceData) {
Vector3f v1 = new Vector3f(faceData[3 * 7 + 0], faceData[3 * 7 + 1], faceData[3 * 7 + 2]);
Vector3f t = new Vector3f(faceData[1 * 7 + 0], faceData[1 * 7 + 1], faceData[1 * 7 + 2]);
Vector3f v2 = new Vector3f(faceData[2 * 7 + 0], faceData[2 * 7 + 1], faceData[2 * 7 + 2]);
Vector3f result1 = new Vector3f();
Vector3f result2 = new Vector3f();
Vector3f result3 = new Vector3f();
Vector3f.sub(v1, t, result1);
t.set(faceData[0 * 7 + 0], faceData[0 * 7 + 1], faceData[0 * 7 + 2]);
Vector3f.sub(v2, t, result2);
Vector3f.cross(result2, result1, result3);
result3.normalise();
int x = ((byte) (result3.x * 127)) & 0xFF;
int y = ((byte) (result3.y * 127)) & 0xFF;
int z = ((byte) (result3.z * 127)) & 0xFF;
for (int i = 0; i < 4; i++) {
faceData[i * 7 + 6] = x | (y << 0x08) | (z << 0x10);
}
}
Example 8
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 6 votes |
|
private void fillNormal(int[] faceData) {
Vector3f v1 = new Vector3f(faceData[3 * 7 + 0], faceData[3 * 7 + 1], faceData[3 * 7 + 2]);
Vector3f t = new Vector3f(faceData[1 * 7 + 0], faceData[1 * 7 + 1], faceData[1 * 7 + 2]);
Vector3f v2 = new Vector3f(faceData[2 * 7 + 0], faceData[2 * 7 + 1], faceData[2 * 7 + 2]);
Vector3f result1 = new Vector3f();
Vector3f result2 = new Vector3f();
Vector3f result3 = new Vector3f();
Vector3f.sub(v1, t, result1);
t.set(faceData[0 * 7 + 0], faceData[0 * 7 + 1], faceData[0 * 7 + 2]);
Vector3f.sub(v2, t, result2);
Vector3f.cross(result2, result1, result3);
result3.normalise();
int x = ((byte) (result3.x * 127)) & 0xFF;
int y = ((byte) (result3.y * 127)) & 0xFF;
int z = ((byte) (result3.z * 127)) & 0xFF;
for (int i = 0; i < 4; i++) {
faceData[i * 7 + 6] = x | (y << 0x08) | (z << 0x10);
}
}
Example 9
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 6 votes |
|
private void fillNormal(int[] faceData) {
Vector3f v1 = new Vector3f(faceData[3 * 7 + 0], faceData[3 * 7 + 1], faceData[3 * 7 + 2]);
Vector3f t = new Vector3f(faceData[1 * 7 + 0], faceData[1 * 7 + 1], faceData[1 * 7 + 2]);
Vector3f v2 = new Vector3f(faceData[2 * 7 + 0], faceData[2 * 7 + 1], faceData[2 * 7 + 2]);
Vector3f result1 = new Vector3f();
Vector3f result2 = new Vector3f();
Vector3f result3 = new Vector3f();
Vector3f.sub(v1, t, result1);
t.set(faceData[0 * 7 + 0], faceData[0 * 7 + 1], faceData[0 * 7 + 2]);
Vector3f.sub(v2, t, result2);
Vector3f.cross(result2, result1, result3);
result3.normalise();
int x = ((byte) (result3.x * 127)) & 0xFF;
int y = ((byte) (result3.y * 127)) & 0xFF;
int z = ((byte) (result3.z * 127)) & 0xFF;
for (int i = 0; i < 4; i++) {
faceData[i * 7 + 6] = x | (y << 0x08) | (z << 0x10);
}
}
Example 10
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 6 votes |
|
private void fillNormal(int[] faceData) {
Vector3f v1 = new Vector3f(faceData[3 * 7 + 0], faceData[3 * 7 + 1], faceData[3 * 7 + 2]);
Vector3f t = new Vector3f(faceData[1 * 7 + 0], faceData[1 * 7 + 1], faceData[1 * 7 + 2]);
Vector3f v2 = new Vector3f(faceData[2 * 7 + 0], faceData[2 * 7 + 1], faceData[2 * 7 + 2]);
Vector3f result1 = new Vector3f();
Vector3f result2 = new Vector3f();
Vector3f result3 = new Vector3f();
Vector3f.sub(v1, t, result1);
t.set(faceData[0 * 7 + 0], faceData[0 * 7 + 1], faceData[0 * 7 + 2]);
Vector3f.sub(v2, t, result2);
Vector3f.cross(result2, result1, result3);
result3.normalise();
int x = ((byte) (result3.x * 127)) & 0xFF;
int y = ((byte) (result3.y * 127)) & 0xFF;
int z = ((byte) (result3.z * 127)) & 0xFF;
for (int i = 0; i < 4; i++) {
faceData[i * 7 + 6] = x | (y << 0x08) | (z << 0x10);
}
}
Example 11
| Source File: BillboardPainter.java From tribaltrouble with GNU General Public License v2.0 | 6 votes |
|
private final static void initClipPlane(int clip_enum, int face_index, int vertex_index1, int vertex_index2, short[] indices, float[] face_tex_coords, float handedness) {
float u1 = getElement(face_index, vertex_index1, 0, 2, indices, face_tex_coords);
float v1 = getElement(face_index, vertex_index1, 1, 2, indices, face_tex_coords);
float u2 = getElement(face_index, vertex_index2, 0, 2, indices, face_tex_coords);
float v2 = getElement(face_index, vertex_index2, 1, 2, indices, face_tex_coords);
Vector3f vec1 = new Vector3f(0f, 0f, 1f);
Vector3f vec2 = new Vector3f(u2 - u1, v2 - v1, 0);
Vector3f vec3 = new Vector3f();
Vector3f.cross(vec1, vec2, vec3);
vec3.scale(handedness);
vec3.normalise();
vec1.set(u1, v1, 0f);
float d = -Vector3f.dot(vec3, vec1);
plane_buf.put(0, vec3.x).put(1, vec3.y).put(2, vec3.z).put(3, d);
GL11.glClipPlane(clip_enum, plane_buf);
}
Example 12
| Source File: PerspectiveCamera.java From tectonicus with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
@Override
public Vector3f getForward()
{
Vector3f forward = new Vector3f();
forward.x = lookAt.x - eye.x;
forward.y = lookAt.y - eye.y;
forward.z = lookAt.z - eye.z;
forward.normalise();
return forward;
}
Example 13
| Source File: OrthoCamera.java From tectonicus with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
@Override
public Vector3f getForward()
{
Vector3f forward = new Vector3f();
forward.x = lookAt.x - eye.x;
forward.y = lookAt.y - eye.y;
forward.z = lookAt.z - eye.z;
forward.normalise();
return forward;
}
Example 14
| Source File: Frustum.java From tectonicus with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
private static Vector3f cross(Vector3f lhs, Vector3f rhs)
{
Vector3f normLeft = new Vector3f(lhs);
normLeft.normalise();
Vector3f normRight = new Vector3f(rhs);
normRight.normalise();
Vector3f res = new Vector3f();
Vector3f.cross(normLeft, normRight, res);
return res;
}
Example 15
| Source File: MatrixUtil.java From tectonicus with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
public static Matrix4f createLookAt(Vector3f eye, Vector3f lookAt, Vector3f up)
{
Matrix4f matrix = new Matrix4f();
matrix.setIdentity();
// Create the basis vectors
Vector3f forwards = Vector3f.sub(eye, lookAt, null);
forwards.normalise();
Vector3f right = Vector3f.cross(up, forwards, null);
right.normalise();
Vector3f actualUp = Vector3f.cross(forwards, right, null);
actualUp.normalise();
// Right vector across the top
matrix.m00 = right.x;
matrix.m10 = right.y;
matrix.m20 = right.z;
// Up vector across the middle row
matrix.m01 = actualUp.x;
matrix.m11 = actualUp.y;
matrix.m21 = actualUp.z;
// Forwards vector across the bottom row
matrix.m02 = forwards.x;
matrix.m12 = forwards.y;
matrix.m22 = forwards.z;
// Negative translation in the last column
Matrix4f translation = new Matrix4f();
translation.setIdentity();
translation.translate(new Vector3f(-eye.x, -eye.y, -eye.z));
return Matrix4f.mul(matrix, translation, null);
}
Example 16
| Source File: Maths.java From LowPolyWater with The Unlicense | 5 votes |
|
/**
* Calculates the normal of the triangle made from the 3 vertices. The vertices must be specified in counter-clockwise order.
* @param vertex0
* @param vertex1
* @param vertex2
* @return
*/
public static Vector3f calcNormal(Vector3f vertex0, Vector3f vertex1, Vector3f vertex2) {
Vector3f tangentA = Vector3f.sub(vertex1, vertex0, null);
Vector3f tangentB = Vector3f.sub(vertex2, vertex0, null);
Vector3f normal = Vector3f.cross(tangentA, tangentB, null);
normal.normalise();
return normal;
}
Example 17
| Source File: ArrowBlunt.java From ldparteditor with MIT License | 4 votes |
|
private Matrix4f makeRotationDir(Vector3f direction) {
final Vector3f direction2 = new Vector3f();
Matrix4f arrowRotation = new Matrix4f();
direction.normalise();
// Calculate point from hesse normal plane
int rank = 0;
if (Math.abs(direction.x) < EPSILON)
rank++;
if (Math.abs(direction.y) < EPSILON)
rank++;
if (Math.abs(direction.z) < EPSILON)
rank++;
if (rank == 1) {
if (Math.abs(direction.x) < EPSILON)
direction2.set(1f, 0f, 0f);
else if (Math.abs(direction.y) < EPSILON)
direction2.set(0f, 1f, 0f);
else if (Math.abs(direction.z) < EPSILON)
direction2.set(0f, 0f, 1f);
} else if (rank == 2) {
if (Math.abs(direction.x) < EPSILON && Math.abs(direction.y) < EPSILON)
direction2.set(1f, 0f, 0f);
else if (Math.abs(direction.x) < EPSILON && Math.abs(direction.z) < EPSILON)
direction2.set(1f, 0f, 0f);
else if (Math.abs(direction.y) < EPSILON && Math.abs(direction.z) < EPSILON)
direction2.set(0f, 1f, 0f);
} else {
direction2.setX(0f);
direction2.setY(direction.y * 10f);
direction2.setZ(-direction.y * 10f / direction.z);
;
}
final Vector3f xbase;
final Vector3f ybase = new Vector3f(direction);
final Vector3f zbase;
xbase = Vector3f.cross(direction2, direction, null);
zbase = Vector3f.cross(direction, xbase, null);
xbase.normalise();
zbase.normalise();
arrowRotation.m00 = xbase.x;
arrowRotation.m10 = ybase.x;
arrowRotation.m20 = zbase.x;
arrowRotation.m01 = xbase.y;
arrowRotation.m11 = ybase.y;
arrowRotation.m21 = zbase.y;
arrowRotation.m02 = xbase.z;
arrowRotation.m12 = ybase.z;
arrowRotation.m22 = zbase.z;
arrowRotation.m33 = 1f;
return arrowRotation;
}
Example 18
| Source File: ArcInv.java From ldparteditor with MIT License | 4 votes |
|
private Matrix4f makeRotationDir(Vector3f direction) {
final Vector3f direction2 = new Vector3f();
Matrix4f arrowRotation = new Matrix4f();
direction.normalise();
// Calculate point from hesse normal plane
int rank = 0;
if (Math.abs(direction.x) < EPSILON)
rank++;
if (Math.abs(direction.y) < EPSILON)
rank++;
if (Math.abs(direction.z) < EPSILON)
rank++;
if (rank == 1) {
if (Math.abs(direction.x) < EPSILON)
direction2.set(1f, 0f, 0f);
else if (Math.abs(direction.y) < EPSILON)
direction2.set(0f, 1f, 0f);
else if (Math.abs(direction.z) < EPSILON)
direction2.set(0f, 0f, 1f);
} else if (rank == 2) {
if (Math.abs(direction.x) < EPSILON && Math.abs(direction.y) < EPSILON)
direction2.set(1f, 0f, 0f);
else if (Math.abs(direction.x) < EPSILON && Math.abs(direction.z) < EPSILON)
direction2.set(1f, 0f, 0f);
else if (Math.abs(direction.y) < EPSILON && Math.abs(direction.z) < EPSILON)
direction2.set(0f, 1f, 0f);
} else {
direction2.setX(0f);
direction2.setY(direction.y * 10f);
direction2.setZ(-direction.y * 10f / direction.z);
;
}
final Vector3f xbase;
final Vector3f ybase = new Vector3f(direction);
final Vector3f zbase;
xbase = Vector3f.cross(direction2, direction, null);
zbase = Vector3f.cross(direction, xbase, null);
xbase.normalise();
zbase.normalise();
arrowRotation.m00 = xbase.x;
arrowRotation.m10 = ybase.x;
arrowRotation.m20 = zbase.x;
arrowRotation.m01 = xbase.y;
arrowRotation.m11 = ybase.y;
arrowRotation.m21 = zbase.y;
arrowRotation.m02 = xbase.z;
arrowRotation.m12 = ybase.z;
arrowRotation.m22 = zbase.z;
arrowRotation.m33 = 1f;
return arrowRotation;
}
Example 19
| Source File: Arc.java From ldparteditor with MIT License | 4 votes |
|
private Matrix4f makeRotationDir(Vector3f direction) {
final Vector3f direction2 = new Vector3f();
Matrix4f arrowRotation = new Matrix4f();
direction.normalise();
// Calculate point from hesse normal plane
int rank = 0;
if (Math.abs(direction.x) < EPSILON)
rank++;
if (Math.abs(direction.y) < EPSILON)
rank++;
if (Math.abs(direction.z) < EPSILON)
rank++;
if (rank == 1) {
if (Math.abs(direction.x) < EPSILON)
direction2.set(1f, 0f, 0f);
else if (Math.abs(direction.y) < EPSILON)
direction2.set(0f, 1f, 0f);
else if (Math.abs(direction.z) < EPSILON)
direction2.set(0f, 0f, 1f);
} else if (rank == 2) {
if (Math.abs(direction.x) < EPSILON && Math.abs(direction.y) < EPSILON)
direction2.set(1f, 0f, 0f);
else if (Math.abs(direction.x) < EPSILON && Math.abs(direction.z) < EPSILON)
direction2.set(1f, 0f, 0f);
else if (Math.abs(direction.y) < EPSILON && Math.abs(direction.z) < EPSILON)
direction2.set(0f, 1f, 0f);
} else {
direction2.setX(0f);
direction2.setY(direction.y * 10f);
direction2.setZ(-direction.y * 10f / direction.z);
;
}
final Vector3f xbase;
final Vector3f ybase = new Vector3f(direction);
final Vector3f zbase;
xbase = Vector3f.cross(direction2, direction, null);
zbase = Vector3f.cross(direction, xbase, null);
xbase.normalise();
zbase.normalise();
arrowRotation.m00 = xbase.x;
arrowRotation.m10 = ybase.x;
arrowRotation.m20 = zbase.x;
arrowRotation.m01 = xbase.y;
arrowRotation.m11 = ybase.y;
arrowRotation.m21 = zbase.y;
arrowRotation.m02 = xbase.z;
arrowRotation.m12 = ybase.z;
arrowRotation.m22 = zbase.z;
arrowRotation.m33 = 1f;
return arrowRotation;
}
Example 20
| Source File: Trackball.java From OpenModsLib with MIT License | 3 votes |
|
private static Vector3f calculateSpherePoint(float x, float y) {
Vector3f result = new Vector3f(x, y, 0);
float sqrZ = 1 - Vector3f.dot(result, result);
if (sqrZ > 0) result.z = (float)Math.sqrt(sqrZ);
else result.normalise();
return result;
}
