Java Vector2f.subtract方法代碼示例

import com.jme3.math.Vector2f; //導入方法依賴的package包/類
private void finishDrop(BaseElement dropEl, boolean events) {
	Vector2f absDropLoc = getAbsolute();
	handleSuccess(dropEl);
	if (useLockToDropElementEffect) {
		animating = true;
		Vector2f dest = absDropLoc.subtract(getParentContainer().getAbsolute());
		screen.getEffectManager()
				.applyEffect(new EffectList(new SlideFromEffect(.15f, dest).setElement(this), new RunEffect(() -> {
					animating = false;
					handleSuccess(dropEl);
					cleanUpDrop();
					if (dragSupport != null && events)
						dragSupport.fireEvent(new DragEvent<BaseElement>(DragElement.this, DragEventType.complete));
				})));
		return;
	}
	cleanUpDrop();
	if (dragSupport != null && events)
		dragSupport.fireEvent(new DragEvent<BaseElement>(this, DragEventType.complete));
}
 

import com.jme3.math.Vector2f; //導入方法依賴的package包/類
private void abortDrop() {
	if (useSpringBack) {
		Vector2f absDropLoc = getPosition().clone();
		if (wasParentedBy != null) {
			screen.removeElement(this);
			wasParentedBy.insertChild(this, null, originalIndex);
			wasParentedBy = null;
		}
		if (useSpringBackEffect) {
			animating = true;
			Vector2f dest = absDropLoc.subtract(getParentContainer().getAbsolute());
			screen.getEffectManager().applyEffect(
					new EffectList(new SlideFromEffect(.25f, dest).setElement(this), new RunEffect(() -> {
						animating = false;
						if (dragSupport != null)
							dragSupport.fireEvent(new DragEvent<BaseElement>(DragElement.this, DragEventType.aborted));
						cleanUpDrop();
					})));
			return;
		}
	}
	cleanUpDrop();
	if (dragSupport != null)
		dragSupport.fireEvent(new DragEvent<BaseElement>(this, DragEventType.aborted));
}
 

import com.jme3.math.Vector2f; //導入方法依賴的package包/類
public LineElement(BaseScreen screen, Vector2f p1, Vector2f p2, ColorRGBA color, float lineWidth) {
	super(screen, p1, new Size(p2.subtract(p1)));

	Line l1 = new Line(new Vector3f(0, 0, 0), new Vector3f(p2.x - p1.x, p2.y - p1.y, 0));
	l1.setLineWidth(lineWidth);
	Geometry geom = new Geometry("A shape", l1);

	meshMaterial.setColor("Color", color);
	geom.setMaterial(meshMaterial);
	attachChild(geom);
}
 

import com.jme3.math.Vector2f; //導入方法依賴的package包/類
protected void onLayoutBackground(C container) {
	BaseElement element = (BaseElement) container;
	Material mat = element.getElementMaterial();
	Geometry geom = element.getGeometry();
	Vector2f elsz = element.getDimensions();
	if (mat != null && geom != null) {
		Vector4f margin = element.getMargin();
		Vector2f sz = calcBackgroundSize(container);
		if (sz == null)
			sz = elsz.subtract(margin.x + margin.y, margin.z + margin.w);

		Vector2f esz = container.getDimensions().clone();
		esz.subtractLocal(margin.x + margin.y, margin.z + margin.w);

		sz.x -= element.borderOffset.x + element.borderOffset.y;
		sz.y -= element.borderOffset.z + element.borderOffset.w;

		Vector2f fac = new Vector2f(esz.x / sz.x, esz.y / sz.y);

		ElementQuadGrid model = element.getModel();

		if (!element.calcBorders().equals(model.getBorders())) {
			element.recreateElementQuadGrid();
		}

		float tcW, tcH;

		switch (element.getTileMode()) {
		case REPEAT:
			model.updateDimensions(esz.x, esz.y);
			tcW = sz.x / (element.isAtlasTextureInUse() ? element.getAtlasCoords().z : model.getImageWidth())
					* fac.x;
			tcH = sz.y / (element.isAtlasTextureInUse() ? element.getAtlasCoords().w : model.getImageHeight())
					* fac.y;
			model.updateTiledTexCoords(0, -tcH, tcW, 0);
			break;
		case REPEAT_X:
			model.updateDimensions(esz.x, sz.y);
			tcW = sz.x / (element.isAtlasTextureInUse() ? element.getAtlasCoords().z : model.getImageWidth())
					* fac.x;
			tcH = sz.y / (element.isAtlasTextureInUse() ? element.getAtlasCoords().w : model.getImageHeight());
			model.updateTiledTexCoords(0, -tcH, tcW, 0);
			break;
		case REPEAT_Y:
			model.updateDimensions(sz.x, esz.y);
			tcW = sz.x / (element.isAtlasTextureInUse() ? element.getAtlasCoords().z : model.getImageWidth());
			tcH = sz.y / (element.isAtlasTextureInUse() ? element.getAtlasCoords().w : model.getImageHeight())
					* fac.y;
			model.updateTiledTexCoords(0, -tcH, tcW, 0);
			break;
		default:
			model.updateDimensions(sz.x, sz.y);
			break;
		}

		Position bp = element.getBackgroundPosition();
		Vector2f pos = new Vector2f(0, 0);
		if (bp != null)
			if (bp.xUnit == Unit.PERCENT)
				pos.x = ((elsz.x - margin.y - sz.x - margin.x) * (bp.x / 100f)) + margin.x;
			else
				pos.x = bp.x + margin.x;
		else
			pos.x = margin.x;
		if (bp != null)
			if (bp.yUnit == Unit.PERCENT) {
				pos.y = ((elsz.y - margin.z - sz.y - margin.w) * ((100 - bp.y) / 100f)) + margin.w;
			} else
				pos.y = elsz.y - sz.y - bp.y + margin.w - margin.z;
		else
			pos.y = elsz.y - sz.y - margin.z;

		geom.setLocalTranslation(pos.x + element.borderOffset.x, pos.y + element.borderOffset.z,
				geom.getLocalTranslation().z);
		geom.updateModelBound();
	}
}
 

import com.jme3.math.Vector2f; //導入方法依賴的package包/類
private void endDragPaletteTool(DragEvent evt, PaletteTool tool) {
	canvasStack.removeElement(dragLayer);
	BaseElement el = tool.createElement();
	el.onElementEvent(e -> {
		/* When moved, take the element out of it's current parent and
		 * put it back in the drag layer
		 */
		
		List<BaseElement> els = screen.getElementsAt(el.getAbsoluteX() + ( el.getWidth() / 2f ), el.getAbsoluteY() + (el.getHeight() / 2f ) );
		
		/* Remove the element we are moving */
		els.remove(e.getSource());
		
		/* Find the canvas layer in the list and remove it from the list and any preceeding elements */
		int idx = els.indexOf(canvas);
		if(idx != -1) {
			for(int i = 0 ; i < idx + 1 ; i++) {
				els.remove(0);
			}
		}
		
		/* Go through the rest of the elements and look for the tool that created it */
		for(BaseElement bel : els) {
			PaletteTool t = elementTools.get(bel);
			if(t != null) {
				t.handle(e, bel);
			}
		}
		
		System.out.println(els);
		
	}, Type.MOVED);
	el.sizeToContent();
	Vector2f pos = new Vector2f(evt.getX(), evt.getY());
	pos.subtract(canvas.getAbsolute());
	el.setMovable(true);
	el.setBringToFrontOnClick(true);
	el.setLockToParentBounds(true);
	el.setPosition(pos);
	if (evt.getTarget() == dragLayer) {

	}
	elementTools.put(el, tool);
	canvas.addElement(el);
}