/**
* Creates a transform matrix that will convert from this spatials' local coordinate space to the
* world coordinate space based on the world transform.
*
* @param store Matrix where to store the result, if null, a new one will be created and returned.
* @return store if not null, otherwise, a new matrix containing the result.
* @see Spatial#getWorldTransform()
*/
public Matrix4f getLocalToWorldMatrix(Matrix4f store) {
if (store == null) {
store = new Matrix4f();
} else {
store.loadIdentity();
}
// multiply with scale first, then rotate, finally translate (cf.
// Eberly)
store.scale(getWorldScale());
store.multLocal(getWorldRotation());
store.setTranslation(getWorldTranslation());
return store;
}
private void setTransformation(Matrix4f transformation) {
// Compute the modelview matrix by multiplying the camera matrix and
// the transformation matrix of the object
Matrix4f modelview = new Matrix4f(sceneManager.getCamera().getCameraMatrix());
modelview.mul(transformation);
// Set modelview and projection matrices in shader
gl.glUniformMatrix4fv(
gl.glGetUniformLocation(activeShaderID, "modelview"),
1,
false,
transformationToFloat16(modelview),
0);
gl.glUniformMatrix4fv(
gl.glGetUniformLocation(activeShaderID, "projection"),
1,
false,
transformationToFloat16(sceneManager.getFrustum().getProjectionMatrix()),
0);
}
/** Convert a Transformation to a float array in column major ordering, as used by OpenGL. */
private static float[] transformationToFloat16(Matrix4f m) {
float[] f = new float[16];
for (int i = 0; i < 4; i++) for (int j = 0; j < 4; j++) f[j * 4 + i] = m.getElement(i, j);
return f;
}
public static void zoomToFit(Viewport2 viewport) {
ViewDefinition viewdef = viewport.getViewDefinition();
// if (MainFrame.getInstance().getMeshToolBar().getMode() != MeshToolBar.VIEW_ZOOM) {
// MainFrame.getInstance().getJPatchScreen().removeAllMouseListeners();
// MainFrame.getInstance().getJPatchScreen().addMouseListeners(new
// ChangeViewMouseListener(MouseEvent.BUTTON1,ChangeViewMouseListener.ZOOM));
// MainFrame.getInstance().getMeshToolBar().setMode(MeshToolBar.VIEW_ZOOM);
// } else {
// MainFrame.getInstance().getMeshToolBar().reset();
// }
Selection selection = MainFrame.getInstance().getSelection();
float left = Float.MAX_VALUE;
float right = -Float.MAX_VALUE;
float bottom = Float.MAX_VALUE;
float top = -Float.MAX_VALUE;
Point3f p3 = new Point3f();
Matrix4f m4View = viewdef.getScreenMatrix();
// Matrix3f m3RotScale = new Matrix3f();
// m4View.getRotationScale(m3RotScale);
boolean doit = true;
if (selection != null && !selection.isSingle()) {
for (Iterator it = selection.getObjects().iterator(); it.hasNext(); ) {
Object object = it.next();
if (object instanceof ControlPoint) {
p3.set(((ControlPoint) object).getPosition());
m4View.transform(p3);
if (p3.x < left) left = p3.x;
if (p3.x > right) right = p3.x;
if (p3.y < bottom) bottom = p3.y;
if (p3.y > top) top = p3.y;
}
}
} else {
ArrayList heads = MainFrame.getInstance().getModel().allHeads();
int p = 0;
for (Iterator it = heads.iterator(); it.hasNext(); ) {
ControlPoint cp = (ControlPoint) it.next();
if (!cp.isHidden()) {
p3.set(cp.getPosition());
m4View.transform(p3);
if (p3.x < left) left = p3.x;
if (p3.x > right) right = p3.x;
if (p3.y < bottom) bottom = p3.y;
if (p3.y > top) top = p3.y;
p++;
}
}
doit = (p >= 2);
}
if (doit) {
// System.out.println(left + " " + right + " " + top + " " + bottom + " " +
// viewdef.getScale());
// System.out.println(viewdef.getTranslateX() + " " + viewdef.getTranslateY());
float centerX = (left + right) / 2f;
float centerY = (top + bottom) / 2f;
float dimX = viewdef.getWidth() / 2f;
float dimY = viewdef.getHeight() / 2f;
float sizeX = right - centerX;
float sizeY = top - centerY;
if (sizeX > 0 || sizeY > 0) {
// System.out.println(centerX + ":" + centerY);
float scaleX = dimX / sizeX;
float scaleY = dimY / sizeY;
float scale = Math.min(scaleX, scaleY) * 0.9f;
// viewdef.setScale(viewdef.getScale() * scale);
viewdef.setLock(null);
viewdef.moveView(-centerX / dimX + 1, (dimY - centerY) / dimX, false);
viewdef.scaleView(scale);
// viewdef.setTranslation(centerX, centerY);
// viewdef.computeMatrix();
// viewport.render();
}
}
}