Java Code Examples for com.jme3.math.Vector3f#divideLocal()
The following examples show how to use
com.jme3.math.Vector3f#divideLocal() .
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Example 1
| Source File: VehicleWheel.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
/**
* Apply this wheel's physics location and orientation to its associated
* spatial, if any.
*/
public void applyWheelTransform() {
if (wheelSpatial == null) {
return;
}
Quaternion localRotationQuat = wheelSpatial.getLocalRotation();
Vector3f localLocation = wheelSpatial.getLocalTranslation();
if (!applyLocal && wheelSpatial.getParent() != null) {
localLocation.set(wheelWorldLocation).subtractLocal(wheelSpatial.getParent().getWorldTranslation());
localLocation.divideLocal(wheelSpatial.getParent().getWorldScale());
tmp_inverseWorldRotation.set(wheelSpatial.getParent().getWorldRotation()).inverseLocal().multLocal(localLocation);
localRotationQuat.set(wheelWorldRotation);
tmp_inverseWorldRotation.set(wheelSpatial.getParent().getWorldRotation()).inverseLocal().mult(localRotationQuat, localRotationQuat);
wheelSpatial.setLocalTranslation(localLocation);
wheelSpatial.setLocalRotation(localRotationQuat);
} else {
wheelSpatial.setLocalTranslation(wheelWorldLocation);
wheelSpatial.setLocalRotation(wheelWorldRotation);
}
}
Example 2
| Source File: SceneEditorController.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 6 votes |
|
public void doMoveSpatial(Spatial selected, Vector3f translation) {
Vector3f localTranslation = selected.getLocalTranslation();
Vector3f before = new Vector3f(localTranslation);
Node parent = selected.getParent();
if (parent != null) {
localTranslation.set(translation).subtractLocal(parent.getWorldTranslation());
localTranslation.divideLocal(parent.getWorldScale());
//TODO: reuse quaternion..
new Quaternion().set(parent.getWorldRotation()).inverseLocal().multLocal(localTranslation);
} else {
localTranslation.set(translation);
}
Vector3f after = new Vector3f(localTranslation);
selected.setLocalTranslation(localTranslation);
AbstractSceneExplorerNode selectedSpat = this.selectedSpat;
moveUndo(selected, before, after, selectedSpat);
}
Example 3
| Source File: UVCoordinatesGenerator.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 6 votes |
|
/**
* This method returns the bounding tube of the given mesh.
*
* @param mesh
* the mesh
* @return bounding tube of the given mesh
*/
/* package */static BoundingTube getBoundingTube(Mesh mesh) {
Vector3f center = new Vector3f();
float maxx = -Float.MAX_VALUE, minx = Float.MAX_VALUE;
float maxy = -Float.MAX_VALUE, miny = Float.MAX_VALUE;
float maxz = -Float.MAX_VALUE, minz = Float.MAX_VALUE;
FloatBuffer positions = mesh.getFloatBuffer(VertexBuffer.Type.Position);
int limit = positions.limit();
for (int i = 0; i < limit; i += 3) {
float x = positions.get(i);
float y = positions.get(i + 1);
float z = positions.get(i + 2);
center.addLocal(x, y, z);
maxx = x > maxx ? x : maxx;
minx = x < minx ? x : minx;
maxy = y > maxy ? y : maxy;
miny = y < miny ? y : miny;
maxz = z > maxz ? z : maxz;
minz = z < minz ? z : minz;
}
center.divideLocal(limit / 3);
float radius = Math.max(maxx - minx, maxy - miny) * 0.5f;
return new BoundingTube(radius, maxz - minz, center);
}
Example 4
| Source File: VehicleWheel.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 6 votes |
|
public synchronized void applyWheelTransform() {
if (wheelSpatial == null) {
return;
}
Quaternion localRotationQuat = wheelSpatial.getLocalRotation();
Vector3f localLocation = wheelSpatial.getLocalTranslation();
if (!applyLocal && wheelSpatial.getParent() != null) {
localLocation.set(wheelWorldLocation).subtractLocal(wheelSpatial.getParent().getWorldTranslation());
localLocation.divideLocal(wheelSpatial.getParent().getWorldScale());
tmp_inverseWorldRotation.set(wheelSpatial.getParent().getWorldRotation()).inverseLocal().multLocal(localLocation);
localRotationQuat.set(wheelWorldRotation);
tmp_inverseWorldRotation.set(wheelSpatial.getParent().getWorldRotation()).inverseLocal().mult(localRotationQuat, localRotationQuat);
wheelSpatial.setLocalTranslation(localLocation);
wheelSpatial.setLocalRotation(localRotationQuat);
} else {
wheelSpatial.setLocalTranslation(wheelWorldLocation);
wheelSpatial.setLocalRotation(wheelWorldRotation);
}
}
Example 5
| Source File: CharacterControl.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 6 votes |
|
public void update(float tpf) {
if (enabled && spatial != null) {
Quaternion localRotationQuat = spatial.getLocalRotation();
Vector3f localLocation = spatial.getLocalTranslation();
if (!applyLocal && spatial.getParent() != null) {
getPhysicsLocation(localLocation);
localLocation.subtractLocal(spatial.getParent().getWorldTranslation());
localLocation.divideLocal(spatial.getParent().getWorldScale());
tmp_inverseWorldRotation.set(spatial.getParent().getWorldRotation()).inverseLocal().multLocal(localLocation);
spatial.setLocalTranslation(localLocation);
if (useViewDirection) {
localRotationQuat.lookAt(viewDirection, Vector3f.UNIT_Y);
spatial.setLocalRotation(localRotationQuat);
}
} else {
spatial.setLocalTranslation(getPhysicsLocation());
localRotationQuat.lookAt(viewDirection, Vector3f.UNIT_Y);
spatial.setLocalRotation(localRotationQuat);
}
}
}
Example 6
| Source File: VehicleWheel.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 6 votes |
|
public synchronized void applyWheelTransform() {
if (wheelSpatial == null) {
return;
}
Quaternion localRotationQuat = wheelSpatial.getLocalRotation();
Vector3f localLocation = wheelSpatial.getLocalTranslation();
if (!applyLocal && wheelSpatial.getParent() != null) {
localLocation.set(wheelWorldLocation).subtractLocal(wheelSpatial.getParent().getWorldTranslation());
localLocation.divideLocal(wheelSpatial.getParent().getWorldScale());
tmp_inverseWorldRotation.set(wheelSpatial.getParent().getWorldRotation()).inverseLocal().multLocal(localLocation);
localRotationQuat.set(wheelWorldRotation);
tmp_inverseWorldRotation.set(wheelSpatial.getParent().getWorldRotation()).inverseLocal().mult(localRotationQuat, localRotationQuat);
wheelSpatial.setLocalTranslation(localLocation);
wheelSpatial.setLocalRotation(localRotationQuat);
} else {
wheelSpatial.setLocalTranslation(wheelWorldLocation);
wheelSpatial.setLocalRotation(wheelWorldRotation);
}
}
Example 7
| Source File: CharacterControl.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 6 votes |
|
public void update(float tpf) {
if (enabled && spatial != null) {
Quaternion localRotationQuat = spatial.getLocalRotation();
Vector3f localLocation = spatial.getLocalTranslation();
if (!applyLocal && spatial.getParent() != null) {
getPhysicsLocation(localLocation);
localLocation.subtractLocal(spatial.getParent().getWorldTranslation());
localLocation.divideLocal(spatial.getParent().getWorldScale());
tmp_inverseWorldRotation.set(spatial.getParent().getWorldRotation()).inverseLocal().multLocal(localLocation);
spatial.setLocalTranslation(localLocation);
if (useViewDirection) {
localRotationQuat.lookAt(viewDirection, Vector3f.UNIT_Y);
spatial.setLocalRotation(localRotationQuat);
}
} else {
spatial.setLocalTranslation(getPhysicsLocation());
localRotationQuat.lookAt(viewDirection, Vector3f.UNIT_Y);
spatial.setLocalRotation(localRotationQuat);
}
}
}
Example 8
| Source File: VehicleWheel.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
public void applyWheelTransform() {
if (wheelSpatial == null) {
return;
}
Quaternion localRotationQuat = wheelSpatial.getLocalRotation();
Vector3f localLocation = wheelSpatial.getLocalTranslation();
if (!applyLocal && wheelSpatial.getParent() != null) {
localLocation.set(wheelWorldLocation).subtractLocal(wheelSpatial.getParent().getWorldTranslation());
localLocation.divideLocal(wheelSpatial.getParent().getWorldScale());
tmp_inverseWorldRotation.set(wheelSpatial.getParent().getWorldRotation()).inverseLocal().multLocal(localLocation);
localRotationQuat.set(wheelWorldRotation);
tmp_inverseWorldRotation.set(wheelSpatial.getParent().getWorldRotation()).inverseLocal().mult(localRotationQuat, localRotationQuat);
wheelSpatial.setLocalTranslation(localLocation);
wheelSpatial.setLocalRotation(localRotationQuat);
} else {
wheelSpatial.setLocalTranslation(wheelWorldLocation);
wheelSpatial.setLocalRotation(wheelWorldRotation);
}
}
Example 9
| Source File: RagUtils.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
/**
* Convert a transform from the mesh coordinate system to the local
* coordinate system of the specified bone.
*
* @param parentBone (not null)
* @param transform the transform to convert (not null, modified)
*/
static void meshToLocal(Joint parentBone, Transform transform) {
Vector3f location = transform.getTranslation();
Quaternion orientation = transform.getRotation();
Vector3f scale = transform.getScale();
Transform pmx = parentBone.getModelTransform();
Vector3f pmTranslate = pmx.getTranslation();
Quaternion pmRotInv = pmx.getRotation().inverse();
Vector3f pmScale = pmx.getScale();
location.subtractLocal(pmTranslate);
location.divideLocal(pmScale);
pmRotInv.mult(location, location);
scale.divideLocal(pmScale);
pmRotInv.mult(orientation, orientation);
}
Example 10
| Source File: AbstractPhysicsControl.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
/**
* Apply a physics transform to the spatial.
*
* @param worldLocation location vector (in physics-space coordinates, not
* null, unaffected)
* @param worldRotation orientation (in physics-space coordinates, not null,
* unaffected)
*/
protected void applyPhysicsTransform(Vector3f worldLocation, Quaternion worldRotation) {
if (enabled && spatial != null) {
Vector3f localLocation = spatial.getLocalTranslation();
Quaternion localRotationQuat = spatial.getLocalRotation();
if (!applyLocal && spatial.getParent() != null) {
localLocation.set(worldLocation).subtractLocal(spatial.getParent().getWorldTranslation());
localLocation.divideLocal(spatial.getParent().getWorldScale());
tmp_inverseWorldRotation.set(spatial.getParent().getWorldRotation()).inverseLocal().multLocal(localLocation);
localRotationQuat.set(worldRotation);
tmp_inverseWorldRotation.set(spatial.getParent().getWorldRotation()).inverseLocal().mult(localRotationQuat, localRotationQuat);
spatial.setLocalTranslation(localLocation);
spatial.setLocalRotation(localRotationQuat);
} else {
spatial.setLocalTranslation(worldLocation);
spatial.setLocalRotation(worldRotation);
}
}
}
Example 11
| Source File: CharacterControl.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
@Override
public void update(float tpf) {
if (enabled && spatial != null) {
Quaternion localRotationQuat = spatial.getLocalRotation();
Vector3f localLocation = spatial.getLocalTranslation();
if (!applyLocal && spatial.getParent() != null) {
getPhysicsLocation(localLocation);
localLocation.subtractLocal(spatial.getParent().getWorldTranslation());
localLocation.divideLocal(spatial.getParent().getWorldScale());
tmp_inverseWorldRotation.set(spatial.getParent().getWorldRotation()).inverseLocal().multLocal(localLocation);
spatial.setLocalTranslation(localLocation);
if (useViewDirection) {
localRotationQuat.lookAt(viewDirection, Vector3f.UNIT_Y);
spatial.setLocalRotation(localRotationQuat);
}
} else {
spatial.setLocalTranslation(getPhysicsLocation());
localRotationQuat.lookAt(viewDirection, Vector3f.UNIT_Y);
spatial.setLocalRotation(localRotationQuat);
}
}
}
Example 12
| Source File: AbstractPhysicsDebugControl.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
/**
* Apply the specified location and orientation to the specified spatial.
*
* @param worldLocation location vector (in physics-space coordinates, not
* null, unaffected)
* @param worldRotation orientation (in physics-space coordinates, not null,
* unaffected)
* @param spatial where to apply (may be null)
*/
protected void applyPhysicsTransform(Vector3f worldLocation, Quaternion worldRotation, Spatial spatial) {
if (spatial != null) {
Vector3f localLocation = spatial.getLocalTranslation();
Quaternion localRotationQuat = spatial.getLocalRotation();
if (spatial.getParent() != null) {
localLocation.set(worldLocation).subtractLocal(spatial.getParent().getWorldTranslation());
localLocation.divideLocal(spatial.getParent().getWorldScale());
tmp_inverseWorldRotation.set(spatial.getParent().getWorldRotation()).inverseLocal().multLocal(localLocation);
localRotationQuat.set(worldRotation);
tmp_inverseWorldRotation.set(spatial.getParent().getWorldRotation()).inverseLocal().mult(localRotationQuat, localRotationQuat);
spatial.setLocalTranslation(localLocation);
spatial.setLocalRotation(localRotationQuat);
} else {
spatial.setLocalTranslation(worldLocation);
spatial.setLocalRotation(worldRotation);
}
}
}
Example 13
| Source File: LightScatteringFilter.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
private Vector3f getClipCoordinates(Vector3f worldPosition, Vector3f store, Camera cam) {
float w = cam.getViewProjectionMatrix().multProj(worldPosition, store);
store.divideLocal(w);
store.x = ((store.x + 1f) * (cam.getViewPortRight() - cam.getViewPortLeft()) / 2f + cam.getViewPortLeft());
store.y = ((store.y + 1f) * (cam.getViewPortTop() - cam.getViewPortBottom()) / 2f + cam.getViewPortBottom());
store.z = (store.z + 1f) / 2f;
return store;
}
Example 14
| Source File: RigidBodyMotionState.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 5 votes |
|
/**
* applies the current transform to the given jme Node if the location has been updated on the physics side
* @param spatial
*/
public synchronized boolean applyTransform(Spatial spatial) {
Vector3f localLocation = spatial.getLocalTranslation();
Quaternion localRotationQuat = spatial.getLocalRotation();
boolean physicsLocationDirty = applyTransform(motionStateId, localLocation, localRotationQuat);
if (!physicsLocationDirty) {
return false;
}
if (!applyPhysicsLocal && spatial.getParent() != null) {
localLocation.subtractLocal(spatial.getParent().getWorldTranslation());
localLocation.divideLocal(spatial.getParent().getWorldScale());
tmp_inverseWorldRotation.set(spatial.getParent().getWorldRotation()).inverseLocal().multLocal(localLocation);
// localRotationQuat.set(worldRotationQuat);
tmp_inverseWorldRotation.mult(localRotationQuat, localRotationQuat);
spatial.setLocalTranslation(localLocation);
spatial.setLocalRotation(localRotationQuat);
} else {
spatial.setLocalTranslation(localLocation);
spatial.setLocalRotation(localRotationQuat);
// spatial.setLocalTranslation(worldLocation);
// spatial.setLocalRotation(worldRotationQuat);
}
if (vehicle != null) {
vehicle.updateWheels();
}
return true;
}
Example 15
| Source File: TextureHelper.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 5 votes |
|
/**
* This method converts the given texture into normal-map texture.
*
* @param source
* the source texture
* @param strengthFactor
* the normal strength factor
* @return normal-map texture
*/
public Image convertToNormalMapTexture(Image source, float strengthFactor) {
BufferedImage sourceImage = ImageToAwt.convert(source, false, false, 0);
BufferedImage heightMap = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_INT_ARGB);
BufferedImage bumpMap = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_INT_ARGB);
ColorConvertOp gscale = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
gscale.filter(sourceImage, heightMap);
Vector3f S = new Vector3f();
Vector3f T = new Vector3f();
Vector3f N = new Vector3f();
for (int x = 0; x < bumpMap.getWidth(); ++x) {
for (int y = 0; y < bumpMap.getHeight(); ++y) {
// generating bump pixel
S.x = 1;
S.y = 0;
S.z = strengthFactor * this.getHeight(heightMap, x + 1, y) - strengthFactor * this.getHeight(heightMap, x - 1, y);
T.x = 0;
T.y = 1;
T.z = strengthFactor * this.getHeight(heightMap, x, y + 1) - strengthFactor * this.getHeight(heightMap, x, y - 1);
float den = (float) Math.sqrt(S.z * S.z + T.z * T.z + 1);
N.x = -S.z;
N.y = -T.z;
N.z = 1;
N.divideLocal(den);
// setting thge pixel in the result image
bumpMap.setRGB(x, y, this.vectorToColor(N.x, N.y, N.z));
}
}
ByteBuffer byteBuffer = BufferUtils.createByteBuffer(source.getWidth() * source.getHeight() * 3);
ImageToAwt.convert(bumpMap, Format.RGB8, byteBuffer);
return new Image(Format.RGB8, source.getWidth(), source.getHeight(), byteBuffer);
}
Example 16
| Source File: LightScatteringFilter.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 5 votes |
|
private Vector3f getClipCoordinates(Vector3f worldPosition, Vector3f store, Camera cam) {
float w = cam.getViewProjectionMatrix().multProj(worldPosition, store);
store.divideLocal(w);
store.x = ((store.x + 1f) * (cam.getViewPortRight() - cam.getViewPortLeft()) / 2f + cam.getViewPortLeft());
store.y = ((store.y + 1f) * (cam.getViewPortTop() - cam.getViewPortBottom()) / 2f + cam.getViewPortBottom());
store.z = (store.z + 1f) / 2f;
return store;
}
Example 17
| Source File: RigidBodyMotionState.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
/**
* If the motion state has been updated, apply the new transform to the
* specified spatial.
*
* @param spatial where to apply the physics transform (not null, modified)
* @return true if changed
*/
public boolean applyTransform(Spatial spatial) {
Vector3f localLocation = spatial.getLocalTranslation();
Quaternion localRotationQuat = spatial.getLocalRotation();
boolean physicsLocationDirty = applyTransform(motionStateId, localLocation, localRotationQuat);
if (!physicsLocationDirty) {
return false;
}
if (!applyPhysicsLocal && spatial.getParent() != null) {
localLocation.subtractLocal(spatial.getParent().getWorldTranslation());
localLocation.divideLocal(spatial.getParent().getWorldScale());
tmp_inverseWorldRotation.set(spatial.getParent().getWorldRotation()).inverseLocal().multLocal(localLocation);
// localRotationQuat.set(worldRotationQuat);
tmp_inverseWorldRotation.mult(localRotationQuat, localRotationQuat);
spatial.setLocalTranslation(localLocation);
spatial.setLocalRotation(localRotationQuat);
} else {
spatial.setLocalTranslation(localLocation);
spatial.setLocalRotation(localRotationQuat);
// spatial.setLocalTranslation(worldLocation);
// spatial.setLocalRotation(worldRotationQuat);
}
if (vehicle != null) {
vehicle.updateWheels();
}
return true;
}
Example 18
| Source File: ShadowUtil.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
/**
* Updates the points array to contain the frustum corners of the given
* camera. The nearOverride and farOverride variables can be used to
* override the camera's near/far values with own values.
*
* TODO: Reduce creation of new vectors
*
* @param viewCam
* @param nearOverride
* @param farOverride
*/
public static void updateFrustumPoints(Camera viewCam,
float nearOverride,
float farOverride,
float scale,
Vector3f[] points) {
Vector3f pos = viewCam.getLocation();
Vector3f dir = viewCam.getDirection();
Vector3f up = viewCam.getUp();
float depthHeightRatio = viewCam.getFrustumTop() / viewCam.getFrustumNear();
float near = nearOverride;
float far = farOverride;
float ftop = viewCam.getFrustumTop();
float fright = viewCam.getFrustumRight();
float ratio = fright / ftop;
float near_height;
float near_width;
float far_height;
float far_width;
if (viewCam.isParallelProjection()) {
near_height = ftop;
near_width = near_height * ratio;
far_height = ftop;
far_width = far_height * ratio;
} else {
near_height = depthHeightRatio * near;
near_width = near_height * ratio;
far_height = depthHeightRatio * far;
far_width = far_height * ratio;
}
Vector3f right = dir.cross(up).normalizeLocal();
Vector3f temp = new Vector3f();
temp.set(dir).multLocal(far).addLocal(pos);
Vector3f farCenter = temp.clone();
temp.set(dir).multLocal(near).addLocal(pos);
Vector3f nearCenter = temp.clone();
Vector3f nearUp = temp.set(up).multLocal(near_height).clone();
Vector3f farUp = temp.set(up).multLocal(far_height).clone();
Vector3f nearRight = temp.set(right).multLocal(near_width).clone();
Vector3f farRight = temp.set(right).multLocal(far_width).clone();
points[0].set(nearCenter).subtractLocal(nearUp).subtractLocal(nearRight);
points[1].set(nearCenter).addLocal(nearUp).subtractLocal(nearRight);
points[2].set(nearCenter).addLocal(nearUp).addLocal(nearRight);
points[3].set(nearCenter).subtractLocal(nearUp).addLocal(nearRight);
points[4].set(farCenter).subtractLocal(farUp).subtractLocal(farRight);
points[5].set(farCenter).addLocal(farUp).subtractLocal(farRight);
points[6].set(farCenter).addLocal(farUp).addLocal(farRight);
points[7].set(farCenter).subtractLocal(farUp).addLocal(farRight);
if (scale != 1.0f) {
// find center of frustum
Vector3f center = new Vector3f();
for (int i = 0; i < 8; i++) {
center.addLocal(points[i]);
}
center.divideLocal(8f);
Vector3f cDir = new Vector3f();
for (int i = 0; i < 8; i++) {
cDir.set(points[i]).subtractLocal(center);
cDir.multLocal(scale - 1.0f);
points[i].addLocal(cDir);
}
}
}
Example 19
| Source File: ShadowUtil.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 4 votes |
|
/**
* Updates the points array to contain the frustum corners of the given
* camera. The nearOverride and farOverride variables can be used
* to override the camera's near/far values with own values.
*
* TODO: Reduce creation of new vectors
*
* @param viewCam
* @param nearOverride
* @param farOverride
*/
public static void updateFrustumPoints(Camera viewCam,
float nearOverride,
float farOverride,
float scale,
Vector3f[] points) {
Vector3f pos = viewCam.getLocation();
Vector3f dir = viewCam.getDirection();
Vector3f up = viewCam.getUp();
float depthHeightRatio = viewCam.getFrustumTop() / viewCam.getFrustumNear();
float near = nearOverride;
float far = farOverride;
float ftop = viewCam.getFrustumTop();
float fright = viewCam.getFrustumRight();
float ratio = fright / ftop;
float near_height;
float near_width;
float far_height;
float far_width;
if (viewCam.isParallelProjection()) {
near_height = ftop;
near_width = near_height * ratio;
far_height = ftop;
far_width = far_height * ratio;
} else {
near_height = depthHeightRatio * near;
near_width = near_height * ratio;
far_height = depthHeightRatio * far;
far_width = far_height * ratio;
}
Vector3f right = dir.cross(up).normalizeLocal();
Vector3f temp = new Vector3f();
temp.set(dir).multLocal(far).addLocal(pos);
Vector3f farCenter = temp.clone();
temp.set(dir).multLocal(near).addLocal(pos);
Vector3f nearCenter = temp.clone();
Vector3f nearUp = temp.set(up).multLocal(near_height).clone();
Vector3f farUp = temp.set(up).multLocal(far_height).clone();
Vector3f nearRight = temp.set(right).multLocal(near_width).clone();
Vector3f farRight = temp.set(right).multLocal(far_width).clone();
points[0].set(nearCenter).subtractLocal(nearUp).subtractLocal(nearRight);
points[1].set(nearCenter).addLocal(nearUp).subtractLocal(nearRight);
points[2].set(nearCenter).addLocal(nearUp).addLocal(nearRight);
points[3].set(nearCenter).subtractLocal(nearUp).addLocal(nearRight);
points[4].set(farCenter).subtractLocal(farUp).subtractLocal(farRight);
points[5].set(farCenter).addLocal(farUp).subtractLocal(farRight);
points[6].set(farCenter).addLocal(farUp).addLocal(farRight);
points[7].set(farCenter).subtractLocal(farUp).addLocal(farRight);
if (scale != 1.0f) {
// find center of frustum
Vector3f center = new Vector3f();
for (int i = 0; i < 8; i++) {
center.addLocal(points[i]);
}
center.divideLocal(8f);
Vector3f cDir = new Vector3f();
for (int i = 0; i < 8; i++) {
cDir.set(points[i]).subtractLocal(center);
cDir.multLocal(scale - 1.0f);
points[i].addLocal(cDir);
}
}
}
