71 lines
2.1 KiB
TypeScript
71 lines
2.1 KiB
TypeScript
module TS.SpaceTac.UI {
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// Graphical hints for movement and weapon range
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export class RangeHint extends Phaser.Group {
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// Link to the arena
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parent: Arena;
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// Displayed circle
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circle: Phaser.Graphics;
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// Stored information of primary circle, when secondary one overrides it
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primary: Phaser.Circle | null;
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constructor(parent: Arena) {
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super(parent.game, parent);
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this.parent = parent;
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this.circle = new Phaser.Graphics(this.game, 0, 0);
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this.addChild(this.circle);
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this.primary = null;
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}
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// Clear the primary hint
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clearPrimary(): void {
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this.primary = null;
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this.circle.visible = false;
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}
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// Clear the secondary hint
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clearSecondary(): void {
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if (this.primary) {
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this.draw(this.primary);
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} else {
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this.circle.visible = false;
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}
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}
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// Set currently selected action
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setPrimary(ship: Ship, action: BaseAction): void {
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var radius = action.getRangeRadius(ship);
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if (radius) {
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this.primary = new Phaser.Circle(ship.arena_x, ship.arena_y, radius * 2);
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this.draw(this.primary);
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} else {
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this.circle.visible = false;
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}
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}
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// Set currently hovered action
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setSecondary(ship: Ship, action: BaseAction): void {
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var radius = action.getRangeRadius(ship);
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if (radius) {
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this.draw(new Phaser.Circle(ship.arena_x, ship.arena_y, radius * 2));
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} else {
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this.circle.visible = false;
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}
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}
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// Draw a circle, hinting available range
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private draw(circle: Phaser.Circle): void {
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this.circle.clear();
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this.circle.lineStyle(5, 0x862080, 0.4);
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this.circle.beginFill(0xD860D0, 0.2);
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this.circle.drawCircle(circle.x, circle.y, circle.diameter);
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this.circle.endFill();
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this.circle.visible = true;
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}
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}
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}
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