Java Code Examples for org.lwjgl.util.vector.Vector3f#cross()
The following examples show how to use
org.lwjgl.util.vector.Vector3f#cross() .
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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: 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 4
| 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 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 | 5 votes |
|
public static ct a(int[] var) {
Vector3f var1 = new Vector3f(Float.intBitsToFloat(var[0]), Float.intBitsToFloat(var[1]), Float.intBitsToFloat(var[2]));
Vector3f var2 = new Vector3f(Float.intBitsToFloat(var[7]), Float.intBitsToFloat(var[8]), Float.intBitsToFloat(var[9]));
Vector3f var3 = new Vector3f(Float.intBitsToFloat(var[14]), Float.intBitsToFloat(var[15]), Float.intBitsToFloat(var[16]));
Vector3f var4 = new Vector3f();
Vector3f var5 = new Vector3f();
Vector3f var6 = new Vector3f();
Vector3f.sub(var1, var2, var4);
Vector3f.sub(var3, var2, var5);
Vector3f.cross(var5, var4, var6);
float var7 = (float) Math.sqrt((double) (var6.x * var6.x + var6.y * var6.y + var6.z * var6.z));
var6.x /= var7;
var6.y /= var7;
var6.z /= var7;
ct var8 = null;
float var9 = 0.0F;
ct[] var10 = ct.values();
int var11 = var10.length;
for (int var12 = 0; var12 < var11; ++var12) {
ct var13 = var10[var12];
di var14 = var13.n();
Vector3f var15 = new Vector3f((float) var14.p(), (float) var14.q(), (float) var14.r());
float var16 = Vector3f.dot(var6, var15);
if (var16 >= 0.0F && var16 > var9) {
var9 = var16;
var8 = var13;
}
}
if (var8 == null) {
return ct.b;
} else {
return var8;
}
}
Example 9
| 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 10
| 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 11
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 5 votes |
|
public static ct a(int[] var) {
Vector3f var1 = new Vector3f(Float.intBitsToFloat(var[0]), Float.intBitsToFloat(var[1]), Float.intBitsToFloat(var[2]));
Vector3f var2 = new Vector3f(Float.intBitsToFloat(var[7]), Float.intBitsToFloat(var[8]), Float.intBitsToFloat(var[9]));
Vector3f var3 = new Vector3f(Float.intBitsToFloat(var[14]), Float.intBitsToFloat(var[15]), Float.intBitsToFloat(var[16]));
Vector3f var4 = new Vector3f();
Vector3f var5 = new Vector3f();
Vector3f var6 = new Vector3f();
Vector3f.sub(var1, var2, var4);
Vector3f.sub(var3, var2, var5);
Vector3f.cross(var5, var4, var6);
float var7 = (float) Math.sqrt((double) (var6.x * var6.x + var6.y * var6.y + var6.z * var6.z));
var6.x /= var7;
var6.y /= var7;
var6.z /= var7;
ct var8 = null;
float var9 = 0.0F;
ct[] var10 = ct.values();
int var11 = var10.length;
for (int var12 = 0; var12 < var11; ++var12) {
ct var13 = var10[var12];
di var14 = var13.n();
Vector3f var15 = new Vector3f((float) var14.p(), (float) var14.q(), (float) var14.r());
float var16 = Vector3f.dot(var6, var15);
if (var16 >= 0.0F && var16 > var9) {
var9 = var16;
var8 = var13;
}
}
if (var8 == null) {
return ct.b;
} else {
return var8;
}
}
Example 12
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 5 votes |
|
public static cq a(int[] var) {
Vector3f var1 = new Vector3f(Float.intBitsToFloat(var[0]), Float.intBitsToFloat(var[1]), Float.intBitsToFloat(var[2]));
Vector3f var2 = new Vector3f(Float.intBitsToFloat(var[7]), Float.intBitsToFloat(var[8]), Float.intBitsToFloat(var[9]));
Vector3f var3 = new Vector3f(Float.intBitsToFloat(var[14]), Float.intBitsToFloat(var[15]), Float.intBitsToFloat(var[16]));
Vector3f var4 = new Vector3f();
Vector3f var5 = new Vector3f();
Vector3f var6 = new Vector3f();
Vector3f.sub(var1, var2, var4);
Vector3f.sub(var3, var2, var5);
Vector3f.cross(var5, var4, var6);
float var7 = (float) Math.sqrt((double) (var6.x * var6.x + var6.y * var6.y + var6.z * var6.z));
var6.x /= var7;
var6.y /= var7;
var6.z /= var7;
cq var8 = null;
float var9 = 0.0F;
cq[] var10 = cq.values();
int var11 = var10.length;
for (int var12 = 0; var12 < var11; ++var12) {
cq var13 = var10[var12];
df var14 = var13.m();
Vector3f var15 = new Vector3f((float) var14.n(), (float) var14.o(), (float) var14.p());
float var16 = Vector3f.dot(var6, var15);
if (var16 >= 0.0F && var16 > var9) {
var9 = var16;
var8 = var13;
}
}
if (var8 == null) {
return cq.b;
} else {
return var8;
}
}
Example 13
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 5 votes |
|
public static fa a(int[] var) {
Vector3f var1 = new Vector3f(Float.intBitsToFloat(var[0]), Float.intBitsToFloat(var[1]), Float.intBitsToFloat(var[2]));
Vector3f var2 = new Vector3f(Float.intBitsToFloat(var[7]), Float.intBitsToFloat(var[8]), Float.intBitsToFloat(var[9]));
Vector3f var3 = new Vector3f(Float.intBitsToFloat(var[14]), Float.intBitsToFloat(var[15]), Float.intBitsToFloat(var[16]));
Vector3f var4 = new Vector3f();
Vector3f var5 = new Vector3f();
Vector3f var6 = new Vector3f();
Vector3f.sub(var1, var2, var4);
Vector3f.sub(var3, var2, var5);
Vector3f.cross(var5, var4, var6);
float var7 = (float) Math.sqrt((double) (var6.x * var6.x + var6.y * var6.y + var6.z * var6.z));
var6.x /= var7;
var6.y /= var7;
var6.z /= var7;
fa var8 = null;
float var9 = 0.0F;
fa[] var10 = fa.values();
int var11 = var10.length;
for (int var12 = 0; var12 < var11; ++var12) {
fa var13 = var10[var12];
fq var14 = var13.n();
Vector3f var15 = new Vector3f((float) var14.p(), (float) var14.q(), (float) var14.r());
float var16 = Vector3f.dot(var6, var15);
if (var16 >= 0.0F && var16 > var9) {
var9 = var16;
var8 = var13;
}
}
if (var8 == null) {
return fa.b;
} else {
return var8;
}
}
Example 14
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 5 votes |
|
public static cv a(int[] var) {
Vector3f var1 = new Vector3f(Float.intBitsToFloat(var[0]), Float.intBitsToFloat(var[1]), Float.intBitsToFloat(var[2]));
Vector3f var2 = new Vector3f(Float.intBitsToFloat(var[7]), Float.intBitsToFloat(var[8]), Float.intBitsToFloat(var[9]));
Vector3f var3 = new Vector3f(Float.intBitsToFloat(var[14]), Float.intBitsToFloat(var[15]), Float.intBitsToFloat(var[16]));
Vector3f var4 = new Vector3f();
Vector3f var5 = new Vector3f();
Vector3f var6 = new Vector3f();
Vector3f.sub(var1, var2, var4);
Vector3f.sub(var3, var2, var5);
Vector3f.cross(var5, var4, var6);
float var7 = (float) Math.sqrt((double) (var6.x * var6.x + var6.y * var6.y + var6.z * var6.z));
var6.x /= var7;
var6.y /= var7;
var6.z /= var7;
cv var8 = null;
float var9 = 0.0F;
cv[] var10 = cv.values();
int var11 = var10.length;
for (int var12 = 0; var12 < var11; ++var12) {
cv var13 = var10[var12];
dl var14 = var13.n();
Vector3f var15 = new Vector3f((float) var14.p(), (float) var14.q(), (float) var14.r());
float var16 = Vector3f.dot(var6, var15);
if (var16 >= 0.0F && var16 > var9) {
var9 = var16;
var8 = var13;
}
}
if (var8 == null) {
return cv.b;
} else {
return var8;
}
}
Example 15
| Source File: WaveAnimation.java From tribaltrouble with GNU General Public License v2.0 | 5 votes |
|
private final void computeRotation() {
Vector3f.cross(wave_dir, up_vec, rot_axis);
float length = rot_axis.length();
rot_angle = (float)StrictMath.asin(length);
float inv_length = 1f/length;
rot_axis.scale(inv_length);
}
Example 16
| Source File: FaceBakery.java From The-5zig-Mod with MIT License | 5 votes |
|
public static cq a(int[] var) {
Vector3f var1 = new Vector3f(Float.intBitsToFloat(var[0]), Float.intBitsToFloat(var[1]), Float.intBitsToFloat(var[2]));
Vector3f var2 = new Vector3f(Float.intBitsToFloat(var[7]), Float.intBitsToFloat(var[8]), Float.intBitsToFloat(var[9]));
Vector3f var3 = new Vector3f(Float.intBitsToFloat(var[14]), Float.intBitsToFloat(var[15]), Float.intBitsToFloat(var[16]));
Vector3f var4 = new Vector3f();
Vector3f var5 = new Vector3f();
Vector3f var6 = new Vector3f();
Vector3f.sub(var1, var2, var4);
Vector3f.sub(var3, var2, var5);
Vector3f.cross(var5, var4, var6);
float var7 = (float) Math.sqrt((double) (var6.x * var6.x + var6.y * var6.y + var6.z * var6.z));
var6.x /= var7;
var6.y /= var7;
var6.z /= var7;
cq var8 = null;
float var9 = 0.0F;
cq[] var10 = cq.values();
int var11 = var10.length;
for (int var12 = 0; var12 < var11; ++var12) {
cq var13 = var10[var12];
df var14 = var13.m();
Vector3f var15 = new Vector3f((float) var14.n(), (float) var14.o(), (float) var14.p());
float var16 = Vector3f.dot(var6, var15);
if (var16 >= 0.0F && var16 > var9) {
var9 = var16;
var8 = var13;
}
}
if (var8 == null) {
return cq.b;
} else {
return var8;
}
}
Example 17
| Source File: Arrow.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: 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 19
| Source File: GData4.java From ldparteditor with MIT License | 4 votes |
|
/**
* FOR Cut, Copy, Paste and TEXMAP ONLY!
*
* @param v1
* @param v2
* @param v3
* @param v4
* @param xn
* @param yn
* @param zn
* @param parent
* @param c
*/
public GData4(Vertex v1, Vertex v2, Vertex v3, Vertex v4, GData1 parent, GColour c) {
super(parent);
this.colourNumber = c.getColourNumber();
this.r = c.getR();
this.g = c.getG();
this.b = c.getB();
this.a = c.getA();
this.x1 = v1.x;
this.y1 = v1.y;
this.z1 = v1.z;
this.x2 = v2.x;
this.y2 = v2.y;
this.z2 = v2.z;
this.x3 = v3.x;
this.y3 = v3.y;
this.z3 = v3.z;
this.x4 = v4.x;
this.y4 = v4.y;
this.z4 = v4.z;
this.X1 = v1.X;
this.Y1 = v1.Y;
this.Z1 = v1.Z;
this.X2 = v2.X;
this.Y2 = v2.Y;
this.Z2 = v2.Z;
this.X3 = v3.X;
this.Y3 = v3.Y;
this.Z3 = v3.Z;
this.X4 = v4.X;
this.Y4 = v4.Y;
this.Z4 = v4.Z;
final Vector3f[] normals = new Vector3f[] { new Vector3f(), new Vector3f(), new Vector3f(), new Vector3f() };
{
final Vector3f[] lineVectors = new Vector3f[] { new Vector3f(), new Vector3f(), new Vector3f(), new Vector3f() };
Vector3f.sub(new Vector3f(v2.x, v2.y, v2.z), new Vector3f(v1.x, v1.y, v1.z), lineVectors[0]);
Vector3f.sub(new Vector3f(v3.x, v3.y, v3.z), new Vector3f(v2.x, v2.y, v2.z), lineVectors[1]);
Vector3f.sub(new Vector3f(v4.x, v4.y, v4.z), new Vector3f(v3.x, v3.y, v3.z), lineVectors[2]);
Vector3f.sub(new Vector3f(v1.x, v1.y, v1.z), new Vector3f(v4.x, v4.y, v4.z), lineVectors[3]);
Vector3f.cross(lineVectors[0], lineVectors[1], normals[0]);
Vector3f.cross(lineVectors[1], lineVectors[2], normals[1]);
Vector3f.cross(lineVectors[2], lineVectors[3], normals[2]);
Vector3f.cross(lineVectors[3], lineVectors[0], normals[3]);
}
Vector3f normal = new Vector3f();
for (int i = 0; i < 4; i++) {
Vector3f.add(normals[i], normal, normal);
}
this.xn = -normal.x;
this.yn = -normal.y;
this.zn = -normal.z;
}
Example 20
| 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;
}
