/**
* Centers the camera on the minimap coordinates given.
*
* @param x minimap x coordinate to center on
* @param y minimap y coordinate to center on
*/
private void centerOn(int x, int y) {
if (imageData != null && waitingCallable.running.compareAndSet(false, true)) {
int deltaX = (canvas.getSize().x - imageData.width) / 2;
int deltaY = (canvas.getSize().y - imageData.height) / 2;
Vector3f coords0 =
mapCamera.getWorldCoordinates(new Vector2f(x - deltaX, 200 - y + deltaY), 0);
Vector3f coords1 =
mapCamera.getWorldCoordinates(new Vector2f(x - deltaX, 200 - y + deltaY), 1);
Vector3f direction = coords0.subtract(coords1).normalizeLocal();
Vector3f ground1 = coords0.subtract(direction.mult(coords0.y / direction.y));
coords0 =
implementor
.getCamera()
.getWorldCoordinates(
new Vector2f(
implementor.getCanvas().getSize().x / 2,
implementor.getCanvas().getSize().y / 2),
0);
coords1 =
implementor
.getCamera()
.getWorldCoordinates(
new Vector2f(
implementor.getCanvas().getSize().y / 2,
implementor.getCanvas().getSize().y / 2),
1);
direction = coords0.subtract(coords1).normalizeLocal();
Vector3f ground2 = coords0.subtract(direction.mult(coords0.y / direction.y));
// scale the direction out to the ground plane
waitingCallable.pos = ground1.subtract(ground2);
implementor.render(waitingCallable);
}
}
protected void drawImage() {
if (imageData != null) {
int deltaX = (canvas.getSize().x - imageData.width) / 2;
int deltaY = (canvas.getSize().y - imageData.height) / 2;
image.dispose();
image = new Image(Display.getCurrent(), imageData);
bgImage.dispose();
bgImage = new Image(Display.getCurrent(), canvas.getSize().x, canvas.getSize().y);
GC gc = new GC(bgImage);
gc.drawImage(image, deltaX, deltaY);
gc.setLineWidth(3);
gc.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_RED));
Vector3f coords0 =
implementor
.getCamera()
.getWorldCoordinates(
new Vector2f(
implementor.getCanvas().getSize().x / 2,
implementor.getCanvas().getSize().y / 2),
0);
Vector3f coords1 =
implementor
.getCamera()
.getWorldCoordinates(
new Vector2f(
implementor.getCanvas().getSize().x / 2,
implementor.getCanvas().getSize().y / 2),
1);
Vector3f direction = coords0.subtract(coords1).normalizeLocal();
coords0.subtractLocal(direction.mult(coords0.y / direction.y));
Vector3f coords = mapCamera.getScreenCoordinates(coords0);
gc.drawRectangle(deltaX + (int) coords.x - 25, 200 + deltaY - (int) coords.y - 25, 50, 50);
canvas.setBackgroundImage(bgImage);
gc.dispose();
}
}