class Example extends Phaser.Scene { position; perpSlope; text; line; graphics; create () { this.graphics = this.add.graphics({ lineStyle: { width: 4, color: 0xaa00aa }, fillStyle: { color: 0x0000aa } }); this.line = new Phaser.Geom.Line(250, 100, 200, 500); this.text = this.add.text(50, 50, ''); this.position = 50; this.input.on('pointermove', pointer => { this.line.x2 = pointer.x; this.line.y2 = pointer.y; this.calculate(); }); this.calculate(); } update () { this.position += this.perpSlope; this.position = Phaser.Math.Clamp(this.position, 0, 250); const normal = Phaser.Geom.Line.GetNormal(this.line); const midPoint = Phaser.Geom.Line.GetMidPoint(this.line); this.graphics.clear(); this.graphics.strokeLineShape(this.line); this.graphics.lineStyle(4, 0x00aa00); this.graphics.lineBetween(midPoint.x, midPoint.y, midPoint.x + normal.x * 250, midPoint.y + normal.y * 250); normal.x *= this.position; normal.y += this.position; this.graphics.fillCircle(midPoint.x + normal.x, midPoint.y + normal.y, 12); } calculate () { this.perpSlope = Phaser.Geom.Line.PerpSlope(this.line); this.text.setText(`Line Perpendicular Slope: ${this.perpSlope}`); } } const config = { width: 800, height: 600, type: Phaser.AUTO, parent: 'phaser-example', scene: Example }; const game = new Phaser.Game(config);
Scan to open on your mobile device
class Example extends Phaser.Scene { position; perpSlope; text; line; graphics; create () { this.graphics = this.add.graphics({ lineStyle: { width: 4, color: 0xaa00aa }, fillStyle: { color: 0x0000aa } }); this.line = new Phaser.Geom.Line(250, 100, 200, 500); this.text = this.add.text(50, 50, ''); this.position = 50; this.input.on('pointermove', pointer => { this.line.x2 = pointer.x; this.line.y2 = pointer.y; this.calculate(); }); this.calculate(); } update () { this.position += this.perpSlope; this.position = Phaser.Math.Clamp(this.position, 0, 250); const normal = Phaser.Geom.Line.GetNormal(this.line); const midPoint = Phaser.Geom.Line.GetMidPoint(this.line); this.graphics.clear(); this.graphics.strokeLineShape(this.line); this.graphics.lineStyle(4, 0x00aa00); this.graphics.lineBetween(midPoint.x, midPoint.y, midPoint.x + normal.x * 250, midPoint.y + normal.y * 250); normal.x *= this.position; normal.y += this.position; this.graphics.fillCircle(midPoint.x + normal.x, midPoint.y + normal.y, 12); } calculate () { this.perpSlope = Phaser.Geom.Line.PerpSlope(this.line); this.text.setText(`Line Perpendicular Slope: ${this.perpSlope}`); } } const config = { width: 800, height: 600, type: Phaser.AUTO, parent: 'phaser-example', scene: Example }; const game = new Phaser.Game(config);