Java Code Examples for com.jme3.math.FastMath#ceil()
The following examples show how to use
com.jme3.math.FastMath#ceil() .
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Example 1
| Source File: SkeletonControl.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
/**
* Method to apply skinning transforms to a mesh's buffers
*
* @param mesh the mesh
* @param offsetMatrices the offset matices to apply
*/
private void applySkinning(Mesh mesh, Matrix4f[] offsetMatrices) {
int maxWeightsPerVert = mesh.getMaxNumWeights();
if (maxWeightsPerVert <= 0) {
throw new IllegalStateException("Max weights per vert is incorrectly set!");
}
int fourMinusMaxWeights = 4 - maxWeightsPerVert;
// NOTE: This code assumes the vertex buffer is in bind pose
// resetToBind() has been called this frame
VertexBuffer vb = mesh.getBuffer(Type.Position);
FloatBuffer fvb = (FloatBuffer) vb.getData();
fvb.rewind();
VertexBuffer nb = mesh.getBuffer(Type.Normal);
FloatBuffer fnb = (FloatBuffer) nb.getData();
fnb.rewind();
// get boneIndexes and weights for mesh
IndexBuffer ib = IndexBuffer.wrapIndexBuffer(mesh.getBuffer(Type.BoneIndex).getData());
FloatBuffer wb = (FloatBuffer) mesh.getBuffer(Type.BoneWeight).getData();
wb.rewind();
float[] weights = wb.array();
int idxWeights = 0;
TempVars vars = TempVars.get();
float[] posBuf = vars.skinPositions;
float[] normBuf = vars.skinNormals;
int iterations = (int) FastMath.ceil(fvb.limit() / ((float) posBuf.length));
int bufLength = posBuf.length;
for (int i = iterations - 1; i >= 0; i--) {
// read next set of positions and normals from native buffer
bufLength = Math.min(posBuf.length, fvb.remaining());
fvb.get(posBuf, 0, bufLength);
fnb.get(normBuf, 0, bufLength);
int verts = bufLength / 3;
int idxPositions = 0;
// iterate vertices and apply skinning transform for each effecting bone
for (int vert = verts - 1; vert >= 0; vert--) {
// Skip this vertex if the first weight is zero.
if (weights[idxWeights] == 0) {
idxPositions += 3;
idxWeights += 4;
continue;
}
float nmx = normBuf[idxPositions];
float vtx = posBuf[idxPositions++];
float nmy = normBuf[idxPositions];
float vty = posBuf[idxPositions++];
float nmz = normBuf[idxPositions];
float vtz = posBuf[idxPositions++];
float rx = 0, ry = 0, rz = 0, rnx = 0, rny = 0, rnz = 0;
for (int w = maxWeightsPerVert - 1; w >= 0; w--) {
float weight = weights[idxWeights];
Matrix4f mat = offsetMatrices[ib.get(idxWeights++)];
rx += (mat.m00 * vtx + mat.m01 * vty + mat.m02 * vtz + mat.m03) * weight;
ry += (mat.m10 * vtx + mat.m11 * vty + mat.m12 * vtz + mat.m13) * weight;
rz += (mat.m20 * vtx + mat.m21 * vty + mat.m22 * vtz + mat.m23) * weight;
rnx += (nmx * mat.m00 + nmy * mat.m01 + nmz * mat.m02) * weight;
rny += (nmx * mat.m10 + nmy * mat.m11 + nmz * mat.m12) * weight;
rnz += (nmx * mat.m20 + nmy * mat.m21 + nmz * mat.m22) * weight;
}
idxWeights += fourMinusMaxWeights;
idxPositions -= 3;
normBuf[idxPositions] = rnx;
posBuf[idxPositions++] = rx;
normBuf[idxPositions] = rny;
posBuf[idxPositions++] = ry;
normBuf[idxPositions] = rnz;
posBuf[idxPositions++] = rz;
}
fvb.position(fvb.position() - bufLength);
fvb.put(posBuf, 0, bufLength);
fnb.position(fnb.position() - bufLength);
fnb.put(normBuf, 0, bufLength);
}
vars.release();
vb.updateData(fvb);
nb.updateData(fnb);
}
Example 2
| Source File: SkinningControl.java From jmonkeyengine with BSD 3-Clause "New" or "Revised" License | 4 votes |
|
/**
* Method to apply skinning transforms to a mesh's buffers
*
* @param mesh the mesh
* @param offsetMatrices the offset matices to apply
*/
private void applySkinning(Mesh mesh, Matrix4f[] offsetMatrices) {
int maxWeightsPerVert = mesh.getMaxNumWeights();
if (maxWeightsPerVert <= 0) {
throw new IllegalStateException("Max weights per vert is incorrectly set!");
}
int fourMinusMaxWeights = 4 - maxWeightsPerVert;
// NOTE: This code assumes the vertex buffer is in bind pose
// resetToBind() has been called this frame
VertexBuffer vb = mesh.getBuffer(Type.Position);
FloatBuffer fvb = (FloatBuffer) vb.getData();
fvb.rewind();
VertexBuffer nb = mesh.getBuffer(Type.Normal);
FloatBuffer fnb = (FloatBuffer) nb.getData();
fnb.rewind();
// get boneIndexes and weights for mesh
IndexBuffer ib = IndexBuffer.wrapIndexBuffer(mesh.getBuffer(Type.BoneIndex).getData());
FloatBuffer wb = (FloatBuffer) mesh.getBuffer(Type.BoneWeight).getData();
wb.rewind();
float[] weights = wb.array();
int idxWeights = 0;
TempVars vars = TempVars.get();
float[] posBuf = vars.skinPositions;
float[] normBuf = vars.skinNormals;
int iterations = (int) FastMath.ceil(fvb.limit() / ((float) posBuf.length));
int bufLength = posBuf.length;
for (int i = iterations - 1; i >= 0; i--) {
// read next set of positions and normals from native buffer
bufLength = Math.min(posBuf.length, fvb.remaining());
fvb.get(posBuf, 0, bufLength);
fnb.get(normBuf, 0, bufLength);
int verts = bufLength / 3;
int idxPositions = 0;
// iterate vertices and apply skinning transform for each effecting bone
for (int vert = verts - 1; vert >= 0; vert--) {
// Skip this vertex if the first weight is zero.
if (weights[idxWeights] == 0) {
idxPositions += 3;
idxWeights += 4;
continue;
}
float nmx = normBuf[idxPositions];
float vtx = posBuf[idxPositions++];
float nmy = normBuf[idxPositions];
float vty = posBuf[idxPositions++];
float nmz = normBuf[idxPositions];
float vtz = posBuf[idxPositions++];
float rx = 0, ry = 0, rz = 0, rnx = 0, rny = 0, rnz = 0;
for (int w = maxWeightsPerVert - 1; w >= 0; w--) {
float weight = weights[idxWeights];
Matrix4f mat = offsetMatrices[ib.get(idxWeights++)];
rx += (mat.m00 * vtx + mat.m01 * vty + mat.m02 * vtz + mat.m03) * weight;
ry += (mat.m10 * vtx + mat.m11 * vty + mat.m12 * vtz + mat.m13) * weight;
rz += (mat.m20 * vtx + mat.m21 * vty + mat.m22 * vtz + mat.m23) * weight;
rnx += (nmx * mat.m00 + nmy * mat.m01 + nmz * mat.m02) * weight;
rny += (nmx * mat.m10 + nmy * mat.m11 + nmz * mat.m12) * weight;
rnz += (nmx * mat.m20 + nmy * mat.m21 + nmz * mat.m22) * weight;
}
idxWeights += fourMinusMaxWeights;
idxPositions -= 3;
normBuf[idxPositions] = rnx;
posBuf[idxPositions++] = rx;
normBuf[idxPositions] = rny;
posBuf[idxPositions++] = ry;
normBuf[idxPositions] = rnz;
posBuf[idxPositions++] = rz;
}
fvb.position(fvb.position() - bufLength);
fvb.put(posBuf, 0, bufLength);
fnb.position(fnb.position() - bufLength);
fnb.put(normBuf, 0, bufLength);
}
vars.release();
vb.updateData(fvb);
nb.updateData(fnb);
}
Example 3
| Source File: SkeletonControl.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 4 votes |
|
private void softwareSkinUpdate(Mesh mesh, Matrix4f[] offsetMatrices) {
int maxWeightsPerVert = mesh.getMaxNumWeights();
int fourMinusMaxWeights = 4 - maxWeightsPerVert;
// NOTE: This code assumes the vertex buffer is in bind pose
// resetToBind() has been called this frame
VertexBuffer vb = mesh.getBuffer(VertexBuffer.Type.Position);
FloatBuffer fvb = (FloatBuffer) vb.getData();
fvb.rewind();
VertexBuffer nb = mesh.getBuffer(VertexBuffer.Type.Normal);
FloatBuffer fnb = (FloatBuffer) nb.getData();
fnb.rewind();
// get boneIndexes and weights for mesh
ByteBuffer ib = (ByteBuffer) mesh.getBuffer(VertexBuffer.Type.BoneIndex).getData();
FloatBuffer wb = (FloatBuffer) mesh.getBuffer(VertexBuffer.Type.BoneWeight).getData();
ib.rewind();
wb.rewind();
float[] weights = wb.array();
byte[] indices = ib.array();
int idxWeights = 0;
TempVars vars = TempVars.get();
float[] posBuf = vars.skinPositions;
float[] normBuf = vars.skinNormals;
int iterations = (int) FastMath.ceil(fvb.capacity() / ((float) posBuf.length));
int bufLength = posBuf.length * 3;
for (int i = iterations - 1; i >= 0; i--) {
// read next set of positions and normals from native buffer
bufLength = Math.min(posBuf.length, fvb.remaining());
fvb.get(posBuf, 0, bufLength);
fnb.get(normBuf, 0, bufLength);
int verts = bufLength / 3;
int idxPositions = 0;
// iterate vertices and apply skinning transform for each effecting bone
for (int vert = verts - 1; vert >= 0; vert--) {
float nmx = normBuf[idxPositions];
float vtx = posBuf[idxPositions++];
float nmy = normBuf[idxPositions];
float vty = posBuf[idxPositions++];
float nmz = normBuf[idxPositions];
float vtz = posBuf[idxPositions++];
float rx = 0, ry = 0, rz = 0, rnx = 0, rny = 0, rnz = 0;
for (int w = maxWeightsPerVert - 1; w >= 0; w--) {
float weight = weights[idxWeights];
Matrix4f mat = offsetMatrices[indices[idxWeights++]];
rx += (mat.m00 * vtx + mat.m01 * vty + mat.m02 * vtz + mat.m03) * weight;
ry += (mat.m10 * vtx + mat.m11 * vty + mat.m12 * vtz + mat.m13) * weight;
rz += (mat.m20 * vtx + mat.m21 * vty + mat.m22 * vtz + mat.m23) * weight;
rnx += (nmx * mat.m00 + nmy * mat.m01 + nmz * mat.m02) * weight;
rny += (nmx * mat.m10 + nmy * mat.m11 + nmz * mat.m12) * weight;
rnz += (nmx * mat.m20 + nmy * mat.m21 + nmz * mat.m22) * weight;
}
idxWeights += fourMinusMaxWeights;
idxPositions -= 3;
normBuf[idxPositions] = rnx;
posBuf[idxPositions++] = rx;
normBuf[idxPositions] = rny;
posBuf[idxPositions++] = ry;
normBuf[idxPositions] = rnz;
posBuf[idxPositions++] = rz;
}
fvb.position(fvb.position() - bufLength);
fvb.put(posBuf, 0, bufLength);
fnb.position(fnb.position() - bufLength);
fnb.put(normBuf, 0, bufLength);
}
vb.updateData(fvb);
nb.updateData(fnb);
// mesh.updateBound();
}
Example 4
| Source File: PMDNode.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 4 votes |
|
private void softwareSkinUpdate(PMDMesh mesh){
int maxWeightsPerVert = 2;//mesh.getMaxNumWeights();
int fourMinusMaxWeights = 4 - maxWeightsPerVert;
// Matrix4f[] offsetMatrices = mesh.getBoneMatrixArray();
// NOTE: This code assumes the vertex buffer is in bind pose
// resetToBind() has been called this frame
resetToBind(mesh);
VertexBuffer vb = mesh.getBuffer(VertexBuffer.Type.Position);
FloatBuffer fvb = (FloatBuffer) vb.getData();
fvb.rewind();
VertexBuffer nb = mesh.getBuffer(VertexBuffer.Type.Normal);
FloatBuffer fnb = (FloatBuffer) nb.getData();
fnb.rewind();
FloatBuffer fvb2 = (FloatBuffer)mesh.getVbBackup().getData();
fvb2.rewind();
FloatBuffer fnb2 = (FloatBuffer)mesh.getNbBackup().getData();
fnb2.rewind();
// get boneIndexes and weights for mesh
ShortBuffer ib = (ShortBuffer) mesh.getBuffer(VertexBuffer.Type.BoneIndex).getData();
FloatBuffer wb = (FloatBuffer) mesh.getBuffer(VertexBuffer.Type.BoneWeight).getData();
ib.rewind();
wb.rewind();
// float[] weights = wb.array();
// short[] indices = ib.array();
int idxWeights = 0;
TempVars vars = TempVars.get();
float[] posBuf = vars.skinPositions;
float[] normBuf = vars.skinNormals;
int iterations = (int) FastMath.ceil(fvb.capacity() / ((float)posBuf.length));
int bufLength = posBuf.length * 3;
for (int i = iterations-1; i >= 0; i--){
// read next set of positions and normals from native buffer
bufLength = Math.min(posBuf.length, fvb.remaining());
fvb2.get(posBuf, 0, bufLength);
fnb2.get(normBuf, 0, bufLength);
int verts = bufLength / 3;
int idxPositions = 0;
// iterate vertices and apply skinning transform for each effecting bone
for (int vert = verts - 1; vert >= 0; vert--){
float nmx = normBuf[idxPositions];
float vtx = posBuf[idxPositions++];
float nmy = normBuf[idxPositions];
float vty = posBuf[idxPositions++];
float nmz = normBuf[idxPositions];
float vtz = posBuf[idxPositions++];
float rx=0, ry=0, rz=0, rnx=0, rny=0, rnz=0;
for (int w = maxWeightsPerVert - 1; w >= 0; w--){
float weight = wb.get(idxWeights); //weights[idxWeights];
Matrix4f mat = mesh.getBoneMatrixArray()[ib.get(idxWeights++)];//offsetMatrices[indices[idxWeights++]];
rx += (mat.m00 * vtx + mat.m01 * vty + mat.m02 * vtz + mat.m03) * weight;
ry += (mat.m10 * vtx + mat.m11 * vty + mat.m12 * vtz + mat.m13) * weight;
rz += (mat.m20 * vtx + mat.m21 * vty + mat.m22 * vtz + mat.m23) * weight;
rnx += (nmx * mat.m00 + nmy * mat.m01 + nmz * mat.m02) * weight;
rny += (nmx * mat.m10 + nmy * mat.m11 + nmz * mat.m12) * weight;
rnz += (nmx * mat.m20 + nmy * mat.m21 + nmz * mat.m22) * weight;
}
idxWeights += fourMinusMaxWeights;
idxPositions -= 3;
normBuf[idxPositions] = rnx;
posBuf[idxPositions++] = rx;
normBuf[idxPositions] = rny;
posBuf[idxPositions++] = ry;
normBuf[idxPositions] = rnz;
posBuf[idxPositions++] = rz;
}
// fvb.position(fvb2.position()-bufLength);
fvb.put(posBuf, 0, bufLength);
// fnb.position(fnb2.position()-bufLength);
fnb.put(normBuf, 0, bufLength);
}
vb.setUpdateNeeded();
nb.setUpdateNeeded();
vars.release();
// mesh.updateBound();
}
Example 5
| Source File: AndroidImageLoader.java From MikuMikuStudio with BSD 2-Clause "Simplified" License | 4 votes |
|
public Object load(AssetInfo info) throws IOException {
InputStream in = null;
Bitmap bitmap = null;
try {
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
in = info.openStream();
BitmapFactory.decodeStream(in,null, options);
float scaleW=(float)options.outWidth /256f;
float scaleH=(float)options.outHeight/256f;
float scale = 1; //Math.max(scaleW,scaleH);
in.close();
in = null;
options = new BitmapFactory.Options();
options.inJustDecodeBounds=false;
options.inPurgeable = false;
options.inSampleSize = (int)FastMath.ceil(scale);
in = info.openStream();
bitmap = BitmapFactory.decodeStream(in, null, options);
if (bitmap == null) {
throw new IOException("Failed to load image: " + info.getKey().getName());
}
} finally {
if (in != null) {
in.close();
}
}
int width = bitmap.getWidth();
int height = bitmap.getHeight();
Format fmt;
switch (bitmap.getConfig()) {
case ALPHA_8:
fmt = Format.Alpha8;
break;
case ARGB_4444:
fmt = Format.ARGB4444;
break;
case ARGB_8888:
fmt = Format.RGBA8;
break;
case RGB_565:
fmt = Format.RGB565;
break;
default:
// return null;
throw new IOException("Failed to load image: " + info.getKey().getName());
}
if (((TextureKey) info.getKey()).isFlipY()) {
Bitmap newBitmap = null;
Matrix flipMat = new Matrix();
flipMat.preScale(1.0f, -1.0f);
newBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), flipMat, false);
bitmap.recycle();
bitmap = newBitmap;
if (bitmap == null) {
throw new IOException("Failed to flip image: " + info.getKey().getName());
}
}
Image image = new Image(fmt, width, height, null);
image.setEfficentData(bitmap);
return image;
}
