Java Code Examples for com.jme3.renderer.Camera#isParallelProjection()
The following examples show how to use
com.jme3.renderer.Camera#isParallelProjection() .
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Example 1
| Source File: GuiGlobals.java From Lemur with BSD 3-Clause "New" or "Revised" License | 6 votes |
|
@Deprecated
public Vector3f getScreenCoordinates( Spatial relativeTo, Vector3f pos ) {
ViewPort vp = getCollisionViewPort(relativeTo);
if( vp == null ) {
throw new RuntimeException("Could not find viewport for:" + relativeTo);
}
// Calculate the world position relative to the spatial
pos = relativeTo.localToWorld(pos, null);
Camera cam = vp.getCamera();
if( cam.isParallelProjection() ) {
return pos.clone();
}
return cam.getScreenCoordinates(pos);
}
Example 2
| Source File: AbstractCursorEvent.java From Lemur with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
public Vector3f getRelativeViewCoordinates( Spatial relativeTo, Vector3f pos ) {
// Calculate the world position relative to the spatial
pos = relativeTo.localToWorld(pos, null);
Camera cam = view.getCamera();
if( cam.isParallelProjection() ) {
return pos.clone();
}
return cam.getScreenCoordinates(pos);
}
Example 3
| Source File: DirectionalLightShadowRendererVR.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 5 votes |
|
@Override
protected void updateShadowCams(Camera viewCam) {
float zFar = zFarOverride;
if (zFar == 0) {
zFar = viewCam.getFrustumFar();
}
//We prevent computing the frustum points and splits with zeroed or negative near clip value
float frustumNear = Math.max(viewCam.getFrustumNear(), 0.001f);
ShadowUtil.updateFrustumPoints(viewCam, frustumNear, zFar, 1.0f, points);
//shadowCam.setDirection(direction);
shadowCam.getRotation().lookAt(light.getDirection(), shadowCam.getUp());
shadowCam.update();
shadowCam.updateViewProjection();
PssmShadowUtil.updateFrustumSplits(splitsArray, frustumNear, zFar, lambda);
// in parallel projection shadow position goe from 0 to 1
if(viewCam.isParallelProjection()){
for (int i = 0; i < nbShadowMaps; i++) {
splitsArray[i] = splitsArray[i]/(zFar- frustumNear);
}
}
switch (splitsArray.length) {
case 5:
splits.a = splitsArray[4];
case 4:
splits.b = splitsArray[3];
case 3:
splits.g = splitsArray[2];
case 2:
case 1:
splits.r = splitsArray[1];
break;
}
}
Example 4
| Source File: DirectionalLightShadowRenderer.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
@Override
protected void updateShadowCams(Camera viewCam) {
if (light == null) {
logger.warning("The light can't be null for a " + getClass().getName());
return;
}
float zFar = zFarOverride;
if (zFar == 0) {
zFar = viewCam.getFrustumFar();
}
//We prevent computing the frustum points and splits with zeroed or negative near clip value
float frustumNear = Math.max(viewCam.getFrustumNear(), 0.001f);
ShadowUtil.updateFrustumPoints(viewCam, frustumNear, zFar, 1.0f, points);
shadowCam.setFrustumFar(zFar);
shadowCam.getRotation().lookAt(light.getDirection(), shadowCam.getUp());
shadowCam.update();
shadowCam.updateViewProjection();
PssmShadowUtil.updateFrustumSplits(splitsArray, frustumNear, zFar, lambda);
// in parallel projection shadow position goe from 0 to 1
if(viewCam.isParallelProjection()){
for (int i = 0; i < nbShadowMaps; i++) {
splitsArray[i] = splitsArray[i]/(zFar- frustumNear);
}
}
switch (splitsArray.length) {
case 5:
splits.a = splitsArray[4];
case 4:
splits.b = splitsArray[3];
case 3:
splits.g = splitsArray[2];
case 2:
case 1:
splits.r = splitsArray[1];
break;
}
}
Example 5
| 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 6
| Source File: ShadowUtil.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
/**
* Updates the shadow camera to properly contain the given points (which
* contain the eye camera frustum corners)
*
* @param shadowCam
* @param points
*/
public static void updateShadowCamera(Camera shadowCam, Vector3f[] points) {
boolean ortho = shadowCam.isParallelProjection();
shadowCam.setProjectionMatrix(null);
if (ortho) {
shadowCam.setFrustum(-1, 1, -1, 1, 1, -1);
} else {
shadowCam.setFrustumPerspective(45, 1, 1, 150);
}
Matrix4f viewProjMatrix = shadowCam.getViewProjectionMatrix();
Matrix4f projMatrix = shadowCam.getProjectionMatrix();
BoundingBox splitBB = computeBoundForPoints(points, viewProjMatrix);
TempVars vars = TempVars.get();
Vector3f splitMin = splitBB.getMin(vars.vect1);
Vector3f splitMax = splitBB.getMax(vars.vect2);
// splitMin.z = 0;
// Create the crop matrix.
float scaleX, scaleY, scaleZ;
float offsetX, offsetY, offsetZ;
scaleX = 2.0f / (splitMax.x - splitMin.x);
scaleY = 2.0f / (splitMax.y - splitMin.y);
offsetX = -0.5f * (splitMax.x + splitMin.x) * scaleX;
offsetY = -0.5f * (splitMax.y + splitMin.y) * scaleY;
scaleZ = 1.0f / (splitMax.z - splitMin.z);
offsetZ = -splitMin.z * scaleZ;
Matrix4f cropMatrix = vars.tempMat4;
cropMatrix.set(scaleX, 0f, 0f, offsetX,
0f, scaleY, 0f, offsetY,
0f, 0f, scaleZ, offsetZ,
0f, 0f, 0f, 1f);
Matrix4f result = new Matrix4f();
result.set(cropMatrix);
result.multLocal(projMatrix);
vars.release();
shadowCam.setProjectionMatrix(result);
}
Example 7
| 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);
}
}
}
Example 8
| Source File: ShadowUtil.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 4 votes |
|
/**
* Updates the shadow camera to properly contain the given
* points (which contain the eye camera frustum corners)
*
* @param occluders
* @param lightCam
* @param points
*/
public static void updateShadowCamera(Camera shadowCam, Vector3f[] points) {
boolean ortho = shadowCam.isParallelProjection();
shadowCam.setProjectionMatrix(null);
if (ortho) {
shadowCam.setFrustum(-1, 1, -1, 1, 1, -1);
} else {
shadowCam.setFrustumPerspective(45, 1, 1, 150);
}
Matrix4f viewProjMatrix = shadowCam.getViewProjectionMatrix();
Matrix4f projMatrix = shadowCam.getProjectionMatrix();
BoundingBox splitBB = computeBoundForPoints(points, viewProjMatrix);
Vector3f splitMin = splitBB.getMin(null);
Vector3f splitMax = splitBB.getMax(null);
// splitMin.z = 0;
// Create the crop matrix.
float scaleX, scaleY, scaleZ;
float offsetX, offsetY, offsetZ;
scaleX = 2.0f / (splitMax.x - splitMin.x);
scaleY = 2.0f / (splitMax.y - splitMin.y);
offsetX = -0.5f * (splitMax.x + splitMin.x) * scaleX;
offsetY = -0.5f * (splitMax.y + splitMin.y) * scaleY;
scaleZ = 1.0f / (splitMax.z - splitMin.z);
offsetZ = -splitMin.z * scaleZ;
Matrix4f cropMatrix = new Matrix4f(scaleX, 0f, 0f, offsetX,
0f, scaleY, 0f, offsetY,
0f, 0f, scaleZ, offsetZ,
0f, 0f, 0f, 1f);
Matrix4f result = new Matrix4f();
result.set(cropMatrix);
result.multLocal(projMatrix);
shadowCam.setProjectionMatrix(result);
}
