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spacetac/src/ui/map/MissionLocationMarker.ts

69 lines
2.2 KiB
TypeScript

module TK.SpaceTac.UI {
/**
* Marker to show a mission location on the map
*/
export class MissionLocationMarker {
private builder: UIBuilder
private markers: [StarLocation | Star, string][] = []
private zoomed = true
private current_star?: Star
constructor(private view: BaseView, parent: UIContainer) {
this.view = view;
let builder = new UIBuilder(view, parent);
this.builder = builder.in(builder.container("mission_markers"));
}
/**
* Set the active markers (location and image name)
*/
setMarkers(markers: [StarLocation | Star, string][]): void {
this.markers = markers;
this.refresh();
}
/**
* Set the zoom level
*/
setZoom(level: number, star: Star): void {
this.zoomed = level >= 2;
this.current_star = star;
this.refresh();
}
/**
* Refresh the display
*/
refresh(): void {
this.builder.clear();
this.markers.forEach(([location, name], index) => {
let focus = this.zoomed ? location : (location instanceof StarLocation ? location.star : location);
if (location !== this.current_star || !this.zoomed) {
let marker = this.getMarker(focus, index - 1);
let image = this.builder.image(name, marker.x, marker.y);
image.setScale(marker.scale);
}
});
}
private getMarker(focus: Star | StarLocation, offset: number): { x: number, y: number, scale: number } {
if (focus instanceof StarLocation) {
let system = focus.star;
return {
x: focus.universe_x + offset * system.radius * 0.05,
y: focus.universe_y - system.radius * 0.08,
scale: system.radius * 0.001
}
} else {
return {
x: focus.x + offset * focus.radius * 0.6,
y: focus.y - focus.radius * 0.7,
scale: focus.radius * 0.01
}
}
}
}
}