64 lines
1.6 KiB
TypeScript
64 lines
1.6 KiB
TypeScript
module TK.SpaceTac.UI {
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/**
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* Graphical hints for movement and weapon range
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*/
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export class RangeHint {
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// Link to the view
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private view: BaseView
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// Visual information
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private info: UIGraphics
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// Size of the arena
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private width: number
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private height: number
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constructor(arena: Arena) {
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this.view = arena.view;
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let boundaries = arena.getBoundaries();
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this.width = boundaries.width;
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this.height = boundaries.height;
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this.info = new UIGraphics(arena.view, "info", false);
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}
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/**
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* Set the layer in which the info will be displayed
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*/
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setLayer(layer: UIContainer, x = 0, y = 0) {
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this.info.setPosition(x, y);
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layer.add(this.info);
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}
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/**
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* Clear displayed information
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*/
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clear() {
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this.info.clear();
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this.info.visible = false;
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}
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/**
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* Update displayed information
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*/
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update(ship: Ship, action: BaseAction, radius = action.getRangeRadius(ship)): void {
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let yescolor = 0x000000;
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let nocolor = 0x242022;
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this.info.clear();
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if (radius) {
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this.info.fillStyle(nocolor);
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this.info.fillRect(0, 0, this.width, this.height);
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this.info.fillStyle(yescolor);
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this.info.fillCircle(ship.arena_x, ship.arena_y, radius);
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this.info.visible = true;
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} else {
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this.info.visible = false;
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}
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}
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}
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}
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