Java Code Examples for com.jme3.math.Vector3f#set()
The following examples show how to use
com.jme3.math.Vector3f#set() .
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Example 1
| Source File: EmitterMeshFaceShape.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
/**
* This method fills the point with coordinates of randomly selected point on a random face.
* The normal param is filled with selected face's normal.
* @param store
* the variable to store with coordinates of randomly selected selected point on a random face
* @param normal
* filled with selected face's normal
*/
@Override
public void getRandomPointAndNormal(Vector3f store, Vector3f normal) {
int meshIndex = FastMath.nextRandomInt(0, vertices.size() - 1);
// the index of the first vertex of a face (must be dividable by 3)
int faceIndex = FastMath.nextRandomInt(0, vertices.get(meshIndex).size() / 3 - 1);
int vertIndex = faceIndex * 3;
// put the point somewhere between the first and the second vertex of a face
float moveFactor = FastMath.nextRandomFloat();
store.set(Vector3f.ZERO);
store.addLocal(vertices.get(meshIndex).get(vertIndex));
store.addLocal((vertices.get(meshIndex).get(vertIndex + 1).x - vertices.get(meshIndex).get(vertIndex).x) * moveFactor, (vertices.get(meshIndex).get(vertIndex + 1).y - vertices.get(meshIndex).get(vertIndex).y) * moveFactor, (vertices.get(meshIndex).get(vertIndex + 1).z - vertices.get(meshIndex).get(vertIndex).z) * moveFactor);
// move the result towards the last face vertex
moveFactor = FastMath.nextRandomFloat();
store.addLocal((vertices.get(meshIndex).get(vertIndex + 2).x - store.x) * moveFactor, (vertices.get(meshIndex).get(vertIndex + 2).y - store.y) * moveFactor, (vertices.get(meshIndex).get(vertIndex + 2).z - store.z) * moveFactor);
normal.set(normals.get(meshIndex).get(faceIndex));
}
Example 2
| Source File: VRGuiManager.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
/**
* Position the GUI to the given location.
* @param pos the position of the GUI.
* @param dir the rotation of the GUI.
* @param tpf the time per frame.
*/
private void positionTo(Vector3f pos, Quaternion dir, float tpf) {
if (environment != null){
Vector3f guiPos = guiQuadNode.getLocalTranslation();
guiPos.set(0f, 0f, guiDistance);
dir.mult(guiPos, guiPos);
guiPos.x += pos.x;
guiPos.y += pos.y + environment.getVRHeightAdjustment();
guiPos.z += pos.z;
if( guiPositioningElastic > 0f && posMode != VRGUIPositioningMode.MANUAL ) {
// mix pos & dir with current pos & dir
guiPos.interpolateLocal(EoldPos, guiPos, Float.min(1f, tpf * guiPositioningElastic));
EoldPos.set(guiPos);
}
} else {
throw new IllegalStateException("VR GUI manager is not attached to any environment.");
}
}
Example 3
| Source File: Intersection.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
private static final void findMinMax(float x0, float x1, float x2, Vector3f minMax) {
minMax.set(x0, x0, 0);
if (x1 < minMax.x) {
minMax.setX(x1);
}
if (x1 > minMax.y) {
minMax.setY(x1);
}
if (x2 < minMax.x) {
minMax.setX(x2);
}
if (x2 > minMax.y) {
minMax.setY(x2);
}
}
Example 4
| Source File: BIHTree.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 5 votes |
|
private void setMinMax(BoundingBox bbox, boolean doMin, int axis, float value) {
Vector3f min = bbox.getMin(null);
Vector3f max = bbox.getMax(null);
if (doMin) {
min.set(axis, value);
} else {
max.set(axis, value);
}
bbox.setMinMax(min, max);
}
Example 5
| Source File: BillboardControl.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 5 votes |
|
/**
* Aligns this Billboard so that it points to the camera position.
*
* @param camera
* Camera
*/
private void rotateCameraAligned(Camera camera) {
look.set(camera.getLocation()).subtractLocal(
spatial.getWorldTranslation());
// coopt left for our own purposes.
Vector3f xzp = left;
// The xzp vector is the projection of the look vector on the xz plane
xzp.set(look.x, 0, look.z);
// check for undefined rotation...
if (xzp.equals(Vector3f.ZERO)) {
return;
}
look.normalizeLocal();
xzp.normalizeLocal();
float cosp = look.dot(xzp);
// compute the local orientation matrix for the billboard
orient.set(0, 0, xzp.z);
orient.set(0, 1, xzp.x * -look.y);
orient.set(0, 2, xzp.x * cosp);
orient.set(1, 0, 0);
orient.set(1, 1, cosp);
orient.set(1, 2, look.y);
orient.set(2, 0, -xzp.x);
orient.set(2, 1, xzp.z * -look.y);
orient.set(2, 2, xzp.z * cosp);
// The billboard must be oriented to face the camera before it is
// transformed into the world.
spatial.setLocalRotation(orient);
fixRefreshFlags();
}
Example 6
| Source File: ParticleEmitter.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
/**
* Instantly emits available particles, up to num.
*/
public void emitParticles(int num) {
// Force world transform to update
this.getWorldTransform();
TempVars vars = TempVars.get();
BoundingBox bbox = (BoundingBox) this.getMesh().getBound();
Vector3f min = vars.vect1;
Vector3f max = vars.vect2;
bbox.getMin(min);
bbox.getMax(max);
if (!Vector3f.isValidVector(min)) {
min.set(Vector3f.POSITIVE_INFINITY);
}
if (!Vector3f.isValidVector(max)) {
max.set(Vector3f.NEGATIVE_INFINITY);
}
for(int i=0;i<num;i++) {
if( emitParticle(min, max) == null ) break;
}
bbox.setMinMax(min, max);
this.setBoundRefresh();
vars.release();
}
Example 7
| Source File: EmitterMeshFaceShape.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
/**
* This method fills the point with coordinates of randomly selected point on a random face.
* @param store
* the variable to store with coordinates of randomly selected selected point on a random face
*/
@Override
public void getRandomPoint(Vector3f store) {
int meshIndex = FastMath.nextRandomInt(0, vertices.size() - 1);
// the index of the first vertex of a face (must be dividable by 3)
int vertIndex = FastMath.nextRandomInt(0, vertices.get(meshIndex).size() / 3 - 1) * 3;
// put the point somewhere between the first and the second vertex of a face
float moveFactor = FastMath.nextRandomFloat();
store.set(Vector3f.ZERO);
store.addLocal(vertices.get(meshIndex).get(vertIndex));
store.addLocal((vertices.get(meshIndex).get(vertIndex + 1).x - vertices.get(meshIndex).get(vertIndex).x) * moveFactor, (vertices.get(meshIndex).get(vertIndex + 1).y - vertices.get(meshIndex).get(vertIndex).y) * moveFactor, (vertices.get(meshIndex).get(vertIndex + 1).z - vertices.get(meshIndex).get(vertIndex).z) * moveFactor);
// move the result towards the last face vertex
moveFactor = FastMath.nextRandomFloat();
store.addLocal((vertices.get(meshIndex).get(vertIndex + 2).x - store.x) * moveFactor, (vertices.get(meshIndex).get(vertIndex + 2).y - store.y) * moveFactor, (vertices.get(meshIndex).get(vertIndex + 2).z - store.z) * moveFactor);
}
Example 8
| Source File: TangentBinormalGenerator.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
public static TriangleData processTriangle(int[] index,
Vector3f[] v, Vector2f[] t) {
TempVars tmp = TempVars.get();
try {
Vector3f edge1 = tmp.vect1;
Vector3f edge2 = tmp.vect2;
Vector2f edge1uv = tmp.vect2d;
Vector2f edge2uv = tmp.vect2d2;
Vector3f tangent = tmp.vect3;
Vector3f binormal = tmp.vect4;
Vector3f normal = tmp.vect5;
t[1].subtract(t[0], edge1uv);
t[2].subtract(t[0], edge2uv);
float det = edge1uv.x * edge2uv.y - edge1uv.y * edge2uv.x;
boolean normalize = false;
if (Math.abs(det) < ZERO_TOLERANCE) {
log.log(Level.WARNING, "Colinear uv coordinates for triangle "
+ "[{0}, {1}, {2}]; tex0 = [{3}, {4}], "
+ "tex1 = [{5}, {6}], tex2 = [{7}, {8}]",
new Object[]{index[0], index[1], index[2],
t[0].x, t[0].y, t[1].x, t[1].y, t[2].x, t[2].y});
det = 1;
normalize = true;
}
v[1].subtract(v[0], edge1);
v[2].subtract(v[0], edge2);
tangent.set(edge1);
tangent.normalizeLocal();
binormal.set(edge2);
binormal.normalizeLocal();
if (Math.abs(Math.abs(tangent.dot(binormal)) - 1)
< ZERO_TOLERANCE) {
log.log(Level.WARNING, "Vertices are on the same line "
+ "for triangle [{0}, {1}, {2}].",
new Object[]{index[0], index[1], index[2]});
}
float factor = 1 / det;
tangent.x = (edge2uv.y * edge1.x - edge1uv.y * edge2.x) * factor;
tangent.y = (edge2uv.y * edge1.y - edge1uv.y * edge2.y) * factor;
tangent.z = (edge2uv.y * edge1.z - edge1uv.y * edge2.z) * factor;
if (normalize) {
tangent.normalizeLocal();
}
binormal.x = (edge1uv.x * edge2.x - edge2uv.x * edge1.x) * factor;
binormal.y = (edge1uv.x * edge2.y - edge2uv.x * edge1.y) * factor;
binormal.z = (edge1uv.x * edge2.z - edge2uv.x * edge1.z) * factor;
if (normalize) {
binormal.normalizeLocal();
}
tangent.cross(binormal, normal);
normal.normalizeLocal();
return new TriangleData(
tangent.clone(),
binormal.clone(),
normal.clone());
} finally {
tmp.release();
}
}
Example 9
| Source File: SpringGridLayout.java From Lemur with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
protected final void setMajor( Vector3f v, float f ) {
v.set(mainAxis.index(), f);
}
Example 10
| Source File: LODGeomap.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
public FloatBuffer[] writeTangentArray(FloatBuffer normalBuffer, FloatBuffer tangentStore, FloatBuffer binormalStore, FloatBuffer textureBuffer, Vector3f scale) {
if (!isLoaded()) {
throw new NullPointerException();
}
if (tangentStore != null) {
if (tangentStore.remaining() < getWidth() * getHeight() * 3) {
throw new BufferUnderflowException();
}
} else {
tangentStore = BufferUtils.createFloatBuffer(getWidth() * getHeight() * 3);
}
tangentStore.rewind();
if (binormalStore != null) {
if (binormalStore.remaining() < getWidth() * getHeight() * 3) {
throw new BufferUnderflowException();
}
} else {
binormalStore = BufferUtils.createFloatBuffer(getWidth() * getHeight() * 3);
}
binormalStore.rewind();
Vector3f normal = new Vector3f();
Vector3f tangent = new Vector3f();
Vector3f binormal = new Vector3f();
/*Vector3f v1 = new Vector3f();
Vector3f v2 = new Vector3f();
Vector3f v3 = new Vector3f();
Vector2f t1 = new Vector2f();
Vector2f t2 = new Vector2f();
Vector2f t3 = new Vector2f();*/
for (int r = 0; r < getHeight(); r++) {
for (int c = 0; c < getWidth(); c++) {
int idx = (r * getWidth() + c) * 3;
normal.set(normalBuffer.get(idx), normalBuffer.get(idx+1), normalBuffer.get(idx+2));
tangent.set(normal.cross(new Vector3f(0,0,1)));
binormal.set(new Vector3f(1,0,0).cross(normal));
BufferUtils.setInBuffer(tangent.normalizeLocal(), tangentStore, (r * getWidth() + c)); // save the tangent
BufferUtils.setInBuffer(binormal.normalizeLocal(), binormalStore, (r * getWidth() + c)); // save the binormal
}
}
/* for (int r = 0; r < getHeight(); r++) {
for (int c = 0; c < getWidth(); c++) {
int texIdx = ((getHeight() - 1 - r) * getWidth() + c) * 2; // pull from the end
int texIdxAbove = ((getHeight() - 1 - (r - 1)) * getWidth() + c) * 2; // pull from the end
int texIdxNext = ((getHeight() - 1 - (r + 1)) * getWidth() + c) * 2; // pull from the end
v1.set(c, getValue(c, r), r);
t1.set(textureBuffer.get(texIdx), textureBuffer.get(texIdx + 1));
// below
if (r == getHeight()-1) { // last row
v3.set(c, getValue(c, r), r + 1);
float u = textureBuffer.get(texIdx) - textureBuffer.get(texIdxAbove);
u += textureBuffer.get(texIdx);
float v = textureBuffer.get(texIdx + 1) - textureBuffer.get(texIdxAbove + 1);
v += textureBuffer.get(texIdx + 1);
t3.set(u, v);
} else {
v3.set(c, getValue(c, r + 1), r + 1);
t3.set(textureBuffer.get(texIdxNext), textureBuffer.get(texIdxNext + 1));
}
//right
if (c == getWidth()-1) { // last column
v2.set(c + 1, getValue(c, r), r);
float u = textureBuffer.get(texIdx) - textureBuffer.get(texIdx - 2);
u += textureBuffer.get(texIdx);
float v = textureBuffer.get(texIdx + 1) - textureBuffer.get(texIdx - 1);
v += textureBuffer.get(texIdx - 1);
t2.set(u, v);
} else {
v2.set(c + 1, getValue(c + 1, r), r); // one to the right
t2.set(textureBuffer.get(texIdx + 2), textureBuffer.get(texIdx + 3));
}
calculateTangent(new Vector3f[]{v1.mult(scale), v2.mult(scale), v3.mult(scale)}, new Vector2f[]{t1, t2, t3}, tangent, binormal);
BufferUtils.setInBuffer(tangent, tangentStore, (r * getWidth() + c)); // save the tangent
BufferUtils.setInBuffer(binormal, binormalStore, (r * getWidth() + c)); // save the binormal
}
}
*/
return new FloatBuffer[]{tangentStore, binormalStore};
}
Example 11
| Source File: SilentTangentBinormalGenerator.java From OpenRTS with MIT License | 4 votes |
|
public static TriangleData processTriangle(int[] index, Vector3f[] v, Vector2f[] t) {
Vector3f edge1 = new Vector3f();
Vector3f edge2 = new Vector3f();
Vector2f edge1uv = new Vector2f();
Vector2f edge2uv = new Vector2f();
Vector3f tangent = new Vector3f();
Vector3f binormal = new Vector3f();
Vector3f normal = new Vector3f();
t[1].subtract(t[0], edge1uv);
t[2].subtract(t[0], edge2uv);
float det = edge1uv.x * edge2uv.y - edge1uv.y * edge2uv.x;
boolean normalize = false;
if (Math.abs(det) < ZERO_TOLERANCE) {
// log.log(Level.WARNING, "Colinear uv coordinates for triangle " + "[{0}, {1}, {2}]; tex0 = [{3}, {4}], " + "tex1 = [{5}, {6}], tex2 = [{7}, {8}]",
// new Object[] { index[0], index[1], index[2], t[0].x, t[0].y, t[1].x, t[1].y, t[2].x, t[2].y });
det = 1;
normalize = true;
}
v[1].subtract(v[0], edge1);
v[2].subtract(v[0], edge2);
tangent.set(edge1);
tangent.normalizeLocal();
binormal.set(edge2);
binormal.normalizeLocal();
if (Math.abs(Math.abs(tangent.dot(binormal)) - 1) < ZERO_TOLERANCE) {
// log.log(Level.WARNING, "Vertices are on the same line " + "for triangle [{0}, {1}, {2}].", new Object[] { index[0], index[1], index[2] });
}
float factor = 1 / det;
tangent.x = (edge2uv.y * edge1.x - edge1uv.y * edge2.x) * factor;
tangent.y = (edge2uv.y * edge1.y - edge1uv.y * edge2.y) * factor;
tangent.z = (edge2uv.y * edge1.z - edge1uv.y * edge2.z) * factor;
if (normalize) {
tangent.normalizeLocal();
}
binormal.x = (edge1uv.x * edge2.x - edge2uv.x * edge1.x) * factor;
binormal.y = (edge1uv.x * edge2.y - edge2uv.x * edge1.y) * factor;
binormal.z = (edge1uv.x * edge2.z - edge2uv.x * edge1.z) * factor;
if (normalize) {
binormal.normalizeLocal();
}
tangent.cross(binormal, normal);
normal.normalizeLocal();
return new TriangleData(tangent, binormal, normal);
}
Example 12
| Source File: GeoMap.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
/**
* Creates a normal array from the normal data in this Geomap
*
* @param store A preallocated FloatBuffer where to store the data (optional), size must be >= getWidth()*getHeight()*3
* @return store, or a new FloatBuffer if store is null
*
* @throws NullPointerException If isLoaded() or hasNormalmap() is false
*/
public FloatBuffer writeNormalArray(FloatBuffer store, Vector3f scale) {
if (store!=null){
if (store.remaining() < getWidth()*getHeight()*3)
throw new BufferUnderflowException();
}else{
store = BufferUtils.createFloatBuffer(getWidth()*getHeight()*3);
}
store.rewind();
Vector3f oppositePoint = new Vector3f();
Vector3f adjacentPoint = new Vector3f();
Vector3f rootPoint = new Vector3f();
Vector3f tempNorm = new Vector3f();
int normalIndex = 0;
for (int y = 0; y < getHeight(); y++) {
for (int x = 0; x < getWidth(); x++) {
rootPoint.set(x, getValue(x,y), y);
if (y == getHeight() - 1) {
if (x == getWidth() - 1) { // case #4 : last row, last col
// left cross up
// adj = normalIndex - getWidth();
// opp = normalIndex - 1;
adjacentPoint.set(x, getValue(x,y-1), y-1);
oppositePoint.set(x-1, getValue(x-1, y), y);
} else { // case #3 : last row, except for last col
// right cross up
// adj = normalIndex + 1;
// opp = normalIndex - getWidth();
adjacentPoint.set(x+1, getValue(x+1,y), y);
oppositePoint.set(x, getValue(x,y-1), y-1);
}
} else {
if (x == getWidth() - 1) { // case #2 : last column except for last row
// left cross down
adjacentPoint.set(x-1, getValue(x-1,y), y);
oppositePoint.set(x, getValue(x,y+1), y+1);
// adj = normalIndex - 1;
// opp = normalIndex + getWidth();
} else { // case #1 : most cases
// right cross down
adjacentPoint.set(x, getValue(x,y+1), y+1);
oppositePoint.set(x+1, getValue(x+1,y), y);
// adj = normalIndex + getWidth();
// opp = normalIndex + 1;
}
}
tempNorm.set(adjacentPoint).subtractLocal(rootPoint)
.crossLocal(oppositePoint.subtractLocal(rootPoint));
tempNorm.multLocal(scale).normalizeLocal();
// store.put(tempNorm.x).put(tempNorm.y).put(tempNorm.z);
BufferUtils.setInBuffer(tempNorm, store,
normalIndex);
normalIndex++;
}
}
return store;
}
Example 13
| Source File: TestTempVars.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 4 votes |
|
public static void methodThatUsesAllocation(){
Vector3f vector = new Vector3f();
vector.set(0.1f, 0.2f, 0.3f);
sumCompute.addLocal(vector);
}
Example 14
| Source File: EmitterPointShape.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
@Override
public void getRandomPoint(Vector3f store) {
store.set(point);
}
Example 15
| Source File: EmitterPointShape.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 2 votes |
|
/**
* This method fills the point with data.
* It does not fill the normal.
* @param store the variable to store the point data
* @param normal not used in this class
*/
@Override
public void getRandomPointAndNormal(Vector3f store, Vector3f normal) {
store.set(point);
}
Example 16
| Source File: VehicleWheel.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 2 votes |
|
/**
* Copy this wheel's physics-space location to the specified vector.
*
* @param store storage for the result (not null, modified)
*/
public void getWheelWorldLocation(final Vector3f store) {
store.set(this.wheelWorldLocation);
}
Example 17
| Source File: PhysicsSpace.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 2 votes |
|
/**
* Copy the gravitational acceleration acting on newly-added bodies.
*
* @param gravity storage for the result (not null, modified)
* @return acceleration (in the vector provided)
*/
public Vector3f getGravity(Vector3f gravity) {
return gravity.set(this.gravity);
}
Example 18
| Source File: AnimationFactory.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 2 votes |
|
/**
* Adds a key frame for the given scale at the given keyFrame index
* @param keyFrameIndex the index at which the keyFrame must be inserted
* @param scale the scale to use for this keyFrame
*/
public void addKeyFrameScale(int keyFrameIndex, Vector3f scale) {
Vector3f s = getScaleForFrame(keyFrameIndex);
s.set(scale);
}
Example 19
| Source File: AnimationFactory.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 2 votes |
|
/**
* Adds a key frame for the given scale at the given keyFrame index
* @param keyFrameIndex the index at which the keyFrame must be inserted
* @param scale the scale to use for this keyFrame
*/
public void addKeyFrameScale(int keyFrameIndex, Vector3f scale) {
Vector3f s = getScaleForFrame(keyFrameIndex);
s.set(scale);
}
Example 20
| Source File: EmitterPointShape.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 2 votes |
|
/**
* This method fills the point with data.
* It does not fill the normal.
* @param store the variable to store the point data
* @param normal not used in this class
*/
@Override
public void getRandomPointAndNormal(Vector3f store, Vector3f normal) {
store.set(point);
}
