|
|
|
@ -50,29 +50,29 @@ import java.util.List; |
|
|
|
|
/** |
|
|
|
|
* Includes various useful shadow mapping functions. |
|
|
|
|
* |
|
|
|
|
* @see |
|
|
|
|
* <ul> |
|
|
|
|
* <li><a href="http://appsrv.cse.cuhk.edu.hk/~fzhang/pssm_vrcia/">http://appsrv.cse.cuhk.edu.hk/~fzhang/pssm_vrcia/</a></li>
|
|
|
|
|
* <li><a href="http://http.developer.nvidia.com/GPUGems3/gpugems3_ch10.html">http://http.developer.nvidia.com/GPUGems3/gpugems3_ch10.html</a></li>
|
|
|
|
|
* </ul> |
|
|
|
|
* for more info. |
|
|
|
|
* @see <ul> <li><a |
|
|
|
|
* href="http://appsrv.cse.cuhk.edu.hk/~fzhang/pssm_vrcia/">http://appsrv.cse.cuhk.edu.hk/~fzhang/pssm_vrcia/</a></li>
|
|
|
|
|
* <li><a |
|
|
|
|
* href="http://http.developer.nvidia.com/GPUGems3/gpugems3_ch10.html">http://http.developer.nvidia.com/GPUGems3/gpugems3_ch10.html</a></li>
|
|
|
|
|
* </ul> for more info. |
|
|
|
|
*/ |
|
|
|
|
public class ShadowUtil { |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Updates a points arrays with the frustum corners of the provided camera. |
|
|
|
|
* |
|
|
|
|
* @param viewCam |
|
|
|
|
* @param points |
|
|
|
|
* @param points |
|
|
|
|
*/ |
|
|
|
|
public static void updateFrustumPoints2(Camera viewCam, Vector3f[] points) { |
|
|
|
|
int w = viewCam.getWidth(); |
|
|
|
|
int h = viewCam.getHeight(); |
|
|
|
|
|
|
|
|
|
int h = viewCam.getHeight(); |
|
|
|
|
|
|
|
|
|
points[0].set(viewCam.getWorldCoordinates(new Vector2f(0, 0), 0)); |
|
|
|
|
points[1].set(viewCam.getWorldCoordinates(new Vector2f(0, h), 0)); |
|
|
|
|
points[2].set(viewCam.getWorldCoordinates(new Vector2f(w, h), 0)); |
|
|
|
|
points[3].set(viewCam.getWorldCoordinates(new Vector2f(w, 0), 0)); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
points[4].set(viewCam.getWorldCoordinates(new Vector2f(0, 0), 1)); |
|
|
|
|
points[5].set(viewCam.getWorldCoordinates(new Vector2f(0, h), 1)); |
|
|
|
|
points[6].set(viewCam.getWorldCoordinates(new Vector2f(w, h), 1)); |
|
|
|
@ -81,8 +81,8 @@ public class ShadowUtil { |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* 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. |
|
|
|
|
* 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 |
|
|
|
|
* |
|
|
|
@ -95,23 +95,23 @@ public class ShadowUtil { |
|
|
|
|
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; |
|
|
|
@ -123,30 +123,30 @@ public class ShadowUtil { |
|
|
|
|
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(); |
|
|
|
@ -154,7 +154,7 @@ public class ShadowUtil { |
|
|
|
|
center.addLocal(points[i]); |
|
|
|
|
} |
|
|
|
|
center.divideLocal(8f); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vector3f cDir = new Vector3f(); |
|
|
|
|
for (int i = 0; i < 8; i++) { |
|
|
|
|
cDir.set(points[i]).subtractLocal(center); |
|
|
|
@ -168,7 +168,7 @@ public class ShadowUtil { |
|
|
|
|
* Compute bounds of a geomList |
|
|
|
|
* @param list |
|
|
|
|
* @param transform |
|
|
|
|
* @return |
|
|
|
|
* @return |
|
|
|
|
*/ |
|
|
|
|
public static BoundingBox computeUnionBound(GeometryList list, Transform transform) { |
|
|
|
|
BoundingBox bbox = new BoundingBox(); |
|
|
|
@ -187,7 +187,7 @@ public class ShadowUtil { |
|
|
|
|
* Compute bounds of a geomList |
|
|
|
|
* @param list |
|
|
|
|
* @param mat |
|
|
|
|
* @return |
|
|
|
|
* @return |
|
|
|
|
*/ |
|
|
|
|
public static BoundingBox computeUnionBound(GeometryList list, Matrix4f mat) { |
|
|
|
|
BoundingBox bbox = new BoundingBox(); |
|
|
|
@ -205,8 +205,9 @@ public class ShadowUtil { |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Computes the bounds of multiple bounding volumes |
|
|
|
|
* |
|
|
|
|
* @param bv |
|
|
|
|
* @return |
|
|
|
|
* @return |
|
|
|
|
*/ |
|
|
|
|
public static BoundingBox computeUnionBound(List<BoundingVolume> bv) { |
|
|
|
|
BoundingBox bbox = new BoundingBox(); |
|
|
|
@ -219,9 +220,10 @@ public class ShadowUtil { |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Compute bounds from an array of points |
|
|
|
|
* |
|
|
|
|
* @param pts |
|
|
|
|
* @param transform |
|
|
|
|
* @return |
|
|
|
|
* @return |
|
|
|
|
*/ |
|
|
|
|
public static BoundingBox computeBoundForPoints(Vector3f[] pts, Transform transform) { |
|
|
|
|
Vector3f min = new Vector3f(Vector3f.POSITIVE_INFINITY); |
|
|
|
@ -229,7 +231,7 @@ public class ShadowUtil { |
|
|
|
|
Vector3f temp = new Vector3f(); |
|
|
|
|
for (int i = 0; i < pts.length; i++) { |
|
|
|
|
transform.transformVector(pts[i], temp); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
min.minLocal(temp); |
|
|
|
|
max.maxLocal(temp); |
|
|
|
|
} |
|
|
|
@ -242,22 +244,22 @@ public class ShadowUtil { |
|
|
|
|
* Compute bounds from an array of points |
|
|
|
|
* @param pts |
|
|
|
|
* @param mat |
|
|
|
|
* @return |
|
|
|
|
* @return |
|
|
|
|
*/ |
|
|
|
|
public static BoundingBox computeBoundForPoints(Vector3f[] pts, Matrix4f mat) { |
|
|
|
|
Vector3f min = new Vector3f(Vector3f.POSITIVE_INFINITY); |
|
|
|
|
Vector3f max = new Vector3f(Vector3f.NEGATIVE_INFINITY); |
|
|
|
|
TempVars vars = TempVars.get(); |
|
|
|
|
Vector3f temp = vars.vect1; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < pts.length; i++) { |
|
|
|
|
float w = mat.multProj(pts[i], temp); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
temp.x /= w; |
|
|
|
|
temp.y /= w; |
|
|
|
|
// Why was this commented out?
|
|
|
|
|
temp.z /= w; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
min.minLocal(temp); |
|
|
|
|
max.maxLocal(temp); |
|
|
|
|
} |
|
|
|
@ -269,8 +271,8 @@ public class ShadowUtil { |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Updates the shadow camera to properly contain the given |
|
|
|
|
* points (which contain the eye camera frustum corners) |
|
|
|
|
* Updates the shadow camera to properly contain the given points (which |
|
|
|
|
* contain the eye camera frustum corners) |
|
|
|
|
* |
|
|
|
|
* @param shadowCam |
|
|
|
|
* @param points |
|
|
|
@ -278,20 +280,20 @@ public class ShadowUtil { |
|
|
|
|
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); |
|
|
|
|
|
|
|
|
@ -300,33 +302,32 @@ public class ShadowUtil { |
|
|
|
|
// 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); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Updates the shadow camera to properly contain the given |
|
|
|
|
* points (which contain the eye camera frustum corners) and the |
|
|
|
|
* shadow occluder objects. |
|
|
|
|
* Updates the shadow camera to properly contain the given points (which |
|
|
|
|
* contain the eye camera frustum corners) and the shadow occluder objects. |
|
|
|
|
* |
|
|
|
|
* @param occluders |
|
|
|
|
* @param receivers |
|
|
|
@ -341,10 +342,9 @@ public class ShadowUtil { |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Updates the shadow camera to properly contain the given |
|
|
|
|
* points (which contain the eye camera frustum corners) and the |
|
|
|
|
* shadow occluder objects. |
|
|
|
|
* |
|
|
|
|
* Updates the shadow camera to properly contain the given points (which |
|
|
|
|
* contain the eye camera frustum corners) and the shadow occluder objects. |
|
|
|
|
* |
|
|
|
|
* @param occluders |
|
|
|
|
* @param shadowCam |
|
|
|
|
* @param points |
|
|
|
@ -354,39 +354,39 @@ public class ShadowUtil { |
|
|
|
|
Camera shadowCam, |
|
|
|
|
Vector3f[] points, |
|
|
|
|
GeometryList splitOccluders) { |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
boolean ortho = shadowCam.isParallelProjection(); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
shadowCam.setProjectionMatrix(null); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (ortho) { |
|
|
|
|
shadowCam.setFrustum(-1, 1, -1, 1, 1, -1); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
// create transform to rotate points to viewspace
|
|
|
|
|
Matrix4f viewProjMatrix = shadowCam.getViewProjectionMatrix(); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
BoundingBox splitBB = computeBoundForPoints(points, viewProjMatrix); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ArrayList<BoundingVolume> visRecvList = new ArrayList<BoundingVolume>(); |
|
|
|
|
for (int i = 0; i < receivers.size(); i++) { |
|
|
|
|
// convert bounding box to light's viewproj space
|
|
|
|
|
Geometry receiver = receivers.get(i); |
|
|
|
|
BoundingVolume bv = receiver.getWorldBound(); |
|
|
|
|
BoundingVolume recvBox = bv.transform(viewProjMatrix, null); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (splitBB.intersects(recvBox)) { |
|
|
|
|
visRecvList.add(recvBox); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ArrayList<BoundingVolume> visOccList = new ArrayList<BoundingVolume>(); |
|
|
|
|
for (int i = 0; i < occluders.size(); i++) { |
|
|
|
|
// convert bounding box to light's viewproj space
|
|
|
|
|
Geometry occluder = occluders.get(i); |
|
|
|
|
BoundingVolume bv = occluder.getWorldBound(); |
|
|
|
|
BoundingVolume occBox = bv.transform(viewProjMatrix, null); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
boolean intersects = splitBB.intersects(occBox); |
|
|
|
|
if (!intersects && occBox instanceof BoundingBox) { |
|
|
|
|
BoundingBox occBB = (BoundingBox) occBox; |
|
|
|
@ -416,7 +416,7 @@ public class ShadowUtil { |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
BoundingBox casterBB = computeUnionBound(visOccList); |
|
|
|
|
BoundingBox receiverBB = computeUnionBound(visRecvList); |
|
|
|
|
|
|
|
|
@ -426,18 +426,18 @@ public class ShadowUtil { |
|
|
|
|
casterBB.setYExtent(casterBB.getYExtent() + 2.0f); |
|
|
|
|
casterBB.setZExtent(casterBB.getZExtent() + 2.0f); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
TempVars vars = TempVars.get(); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vector3f casterMin = casterBB.getMin(vars.vect1); |
|
|
|
|
Vector3f casterMax = casterBB.getMax(vars.vect2); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vector3f receiverMin = receiverBB.getMin(vars.vect3); |
|
|
|
|
Vector3f receiverMax = receiverBB.getMax(vars.vect4); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vector3f splitMin = splitBB.getMin(vars.vect5); |
|
|
|
|
Vector3f splitMax = splitBB.getMax(vars.vect6); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
splitMin.z = 0; |
|
|
|
|
|
|
|
|
|
// if (!ortho) {
|
|
|
|
@ -445,17 +445,17 @@ public class ShadowUtil { |
|
|
|
|
// }
|
|
|
|
|
|
|
|
|
|
Matrix4f projMatrix = shadowCam.getProjectionMatrix(); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vector3f cropMin = vars.vect7; |
|
|
|
|
Vector3f cropMax = vars.vect8; |
|
|
|
|
|
|
|
|
|
// IMPORTANT: Special handling for Z values
|
|
|
|
|
cropMin.x = max(max(casterMin.x, receiverMin.x), splitMin.x); |
|
|
|
|
cropMax.x = min(min(casterMax.x, receiverMax.x), splitMax.x); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
cropMin.y = max(max(casterMin.y, receiverMin.y), splitMin.y); |
|
|
|
|
cropMax.y = min(min(casterMax.y, receiverMax.y), splitMax.y); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
cropMin.z = min(casterMin.z, splitMin.z); |
|
|
|
|
cropMax.z = min(receiverMax.z, splitMax.z); |
|
|
|
|
|
|
|
|
@ -463,56 +463,88 @@ public class ShadowUtil { |
|
|
|
|
// Create the crop matrix.
|
|
|
|
|
float scaleX, scaleY, scaleZ; |
|
|
|
|
float offsetX, offsetY, offsetZ; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
scaleX = (2.0f) / (cropMax.x - cropMin.x); |
|
|
|
|
scaleY = (2.0f) / (cropMax.y - cropMin.y); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
offsetX = -0.5f * (cropMax.x + cropMin.x) * scaleX; |
|
|
|
|
offsetY = -0.5f * (cropMax.y + cropMin.y) * scaleY; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
scaleZ = 1.0f / (cropMax.z - cropMin.z); |
|
|
|
|
offsetZ = -cropMin.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); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Updates the shadow camera to properly contain the given |
|
|
|
|
* points (which contain the eye camera frustum corners) and the |
|
|
|
|
* shadow occluder objects. |
|
|
|
|
* |
|
|
|
|
* @param occluders |
|
|
|
|
* @param shadowCam |
|
|
|
|
* @param points |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Populates the outputGeometryList with the geometry of the |
|
|
|
|
* inputGeomtryList that are in the frustum of the given camera |
|
|
|
|
* |
|
|
|
|
* @param inputGeometryList The list containing all geometry to check |
|
|
|
|
* against the camera frustum |
|
|
|
|
* @param camera the camera to check geometries against |
|
|
|
|
* @param outputGeometryList the list of all geometries that are in the |
|
|
|
|
* camera frustum |
|
|
|
|
*/ |
|
|
|
|
public static void getOccludersInCamFrustum(GeometryList occluders, |
|
|
|
|
Camera shadowCam, |
|
|
|
|
GeometryList splitOccluders) { |
|
|
|
|
for (int i = 0; i < occluders.size(); i++) { |
|
|
|
|
Geometry g = occluders.get(i); |
|
|
|
|
int planeState = shadowCam.getPlaneState(); |
|
|
|
|
shadowCam.setPlaneState(0); |
|
|
|
|
if (shadowCam.contains(g.getWorldBound()) != Camera.FrustumIntersect.Outside) { |
|
|
|
|
splitOccluders.add(g); |
|
|
|
|
public static void getGeometriesInCamFrustum(GeometryList inputGeometryList, |
|
|
|
|
Camera camera, |
|
|
|
|
GeometryList outputGeometryList) { |
|
|
|
|
for (int i = 0; i < inputGeometryList.size(); i++) { |
|
|
|
|
Geometry g = inputGeometryList.get(i); |
|
|
|
|
int planeState = camera.getPlaneState(); |
|
|
|
|
camera.setPlaneState(0); |
|
|
|
|
if (camera.contains(g.getWorldBound()) != Camera.FrustumIntersect.Outside) { |
|
|
|
|
outputGeometryList.add(g); |
|
|
|
|
} |
|
|
|
|
shadowCam.setPlaneState(planeState); |
|
|
|
|
camera.setPlaneState(planeState); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/** |
|
|
|
|
* Populates the outputGeometryList with the geometry of the |
|
|
|
|
* inputGeomtryList that are in the radius of a light. |
|
|
|
|
* The array of camera must be an array of 6 cameara initialized so they represent the light viewspace of a pointlight |
|
|
|
|
* |
|
|
|
|
* @param inputGeometryList The list containing all geometry to check |
|
|
|
|
* against the camera frustum |
|
|
|
|
* @param cameras the camera array to check geometries against |
|
|
|
|
* @param outputGeometryList the list of all geometries that are in the |
|
|
|
|
* camera frustum |
|
|
|
|
*/ |
|
|
|
|
public static void getGeometriesInLightRadius(GeometryList inputGeometryList, |
|
|
|
|
Camera[] cameras, |
|
|
|
|
GeometryList outputGeometryList) { |
|
|
|
|
for (int i = 0; i < inputGeometryList.size(); i++) { |
|
|
|
|
Geometry g = inputGeometryList.get(i); |
|
|
|
|
boolean inFrustum = false; |
|
|
|
|
for (int j = 0; j < cameras.length && inFrustum == false; j++) { |
|
|
|
|
Camera camera = cameras[j]; |
|
|
|
|
int planeState = camera.getPlaneState(); |
|
|
|
|
camera.setPlaneState(0); |
|
|
|
|
inFrustum = camera.contains(g.getWorldBound()) != Camera.FrustumIntersect.Outside; |
|
|
|
|
camera.setPlaneState(planeState); |
|
|
|
|
} |
|
|
|
|
if (inFrustum) { |
|
|
|
|
outputGeometryList.add(g); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|