public void addElement(Element el, BoxBounds bounds) {
Layer layer = new Layer(el, bounds);
layers.add(layer);
el.getStyle().setPosition(Style.Position.ABSOLUTE);
presetLayerBounds(layer);
container.appendChild(el);
}
public S screenCenter() {
int width = this.outerWidth();
int height = this.outerHeight();
int left = (Window.getClientWidth() - width) >> 1;
int top = (Window.getClientHeight() - height) >> 1;
int computedLeft =
Math.max(Window.getScrollLeft() + left, 0) - Document.get().getBodyOffsetLeft();
int computedTop = Math.max(Window.getScrollTop() + top, 0) - Document.get().getBodyOffsetTop();
Element element = this.getElement();
element.getStyle().setPropertyPx("left", computedLeft);
element.getStyle().setPropertyPx("top", computedTop);
element.getStyle().setPosition(Position.ABSOLUTE);
return (S) this;
}
public SpinningTopSpaceView(SpinningTop rigidBody) {
this.rigidBody = rigidBody;
frame.setSize(600, 600);
// panel.setDisplayMode(VisualizationHints.DISPLAY_NO_PERSPECTIVE);
double d = 4;
frame.setPreferredMinMax(-d, d, -d, d, -d, d);
frame.setDecorationType(
org.opensourcephysics.display3d.core.VisualizationHints.DECORATION_AXES);
orientation.getStyle().setFillColor(java.awt.Color.RED);
orientationTrace.getStyle().setLineColor(java.awt.Color.BLACK);
base.setSizeXYZ(2, 2, 0.15);
base.getStyle().setResolution(new Resolution(4, 12, 1));
base.getStyle().setFillColor(java.awt.Color.RED);
base.setZ(-3);
post.setSizeXYZ(0.2, 0.2, 3);
post.getStyle().setResolution(new Resolution(2, 10, 15));
post.setZ(-1.5); // shift by half the length
post.getStyle().setFillColor(java.awt.Color.RED);
shaft.setSizeXYZ(0.2, 0.2, 3);
shaft.setXYZ(0, 0, 1.5);
shaft.getStyle().setResolution(new Resolution(1, 10, 15));
disk.setSizeXYZ(1.75, 1.75, 0.25);
disk.setXYZ(0, 0, 2.0);
disk.getStyle().setResolution(new Resolution(4, 12, 1));
topGroup.addElement(shaft);
topGroup.addElement(disk);
topGroup.setTransformation(rigidBody.getTransformation());
frame.addElement(base);
frame.addElement(post);
frame.addElement(orientation);
frame.addElement(orientationTrace);
frame.addElement(topGroup);
}
public CameraApp() {
ball.setXYZ(0.0, 0.0, 0.0);
ball.setSizeXYZ(0.5, 0.5, 0.5);
ball.getStyle().setFillColor(Color.YELLOW);
// right wall
wallR.setXYZ(6.0, 0.0, 0.0);
wallR.setSizeXYZ(0.2, 4.0, 4.0);
wallR.getStyle().setFillColor(Color.GREEN);
// left wall
wallL.setXYZ(-6.0, 0.0, 0.0);
wallL.setSizeXYZ(0.2, 4.0, 4.0);
wallL.getStyle().setFillColor(Color.GREEN);
// Add the objects
panel.setPreferredMinMax(-6, 6, -6, 6, -6, 6);
panel.getInteractionTarget(org.opensourcephysics.display3d.core.DrawingPanel3D.TARGET_PANEL);
panel.addInteractionListener(this);
panel.addElement(ball);
panel.addElement(wallR);
panel.addElement(wallL);
DrawingFrame3D frame = new DrawingFrame3D();
frame.setDrawingPanel3D(panel);
}
/**
* set container
*
* @param container container
* @return content layer
*/
public Element init(
Element container, int insetLeft, int insetTop, int insetRight, int insetBottom) {
this.container = container;
if (!"absolute".equals(container.getStyle().getPosition())
&& !"relative".equals(container.getStyle().getPosition())) {
container.getStyle().setPosition(Style.Position.RELATIVE);
}
Element contentLayer = DOM.createDiv();
contentLayer.getStyle().setPosition(Style.Position.ABSOLUTE);
if (insetTop > 0) contentLayer.getStyle().setPaddingTop(insetTop, Style.Unit.PX);
if (insetLeft > 0) contentLayer.getStyle().setPaddingLeft(insetLeft, Style.Unit.PX);
if (insetRight > 0) contentLayer.getStyle().setPaddingRight(insetRight, Style.Unit.PX);
if (insetBottom > 0) contentLayer.getStyle().setPaddingBottom(insetBottom, Style.Unit.PX);
container.appendChild(contentLayer);
return contentLayer;
}
/**
* Gets an attribute of the given element's style.
*
* @param elem the element whose style attribute is to be retrieved
* @param attr the name of the style attribute to be retrieved
* @return the style attribute's value
* @deprecated Use {@link Element#getStyle()} and {@link Style#getProperty(String)} instead.
*/
@Deprecated
public static String getStyleAttribute(Element elem, String attr) {
return elem.getStyle().getProperty(attr);
}
/**
* Sets an attribute on the given element's style.
*
* @param elem the element whose style attribute is to be set
* @param attr the name of the style attribute to be set
* @param value the style attribute's new value
* @deprecated Use {@link Element#getStyle()} and {@link Style#setProperty(String, String)}
* instead.
*/
@Deprecated
public static void setStyleAttribute(Element elem, String attr, String value) {
elem.getStyle().setProperty(attr, value);
}
/**
* Sets an integer attribute on the given element's style.
*
* @param elem the element whose style attribute is to be set
* @param attr the name of the style attribute to be set
* @param value the style attribute's new integer value
*/
public static void setIntStyleAttribute(Element elem, String attr, int value) {
elem.getStyle().setProperty(attr, Integer.toString(value));
}