probes!!!! (not anal)

player.go

@@ -63,6 +63,12 @@ func (p *player) recv() {
 			} else {
 				p.Robot.TargetSpeed = p.Robot.Stats.Speed
 			}
+
+			if msg.Probe != nil {
+				p.Robot.Probe = msg.Probe
+			} else {
+				p.Robot.Probe = nil
+			}
 		}
 
 	}
@@ -197,6 +203,14 @@ func (p *player) Tick(g *game) {
 			g.projectiles[proj] = true
 		}
 	}
+
+	if p.Robot.Probe != nil {
+		probe_vector := p.Robot.Probe.Sub(p.Robot.Position)
+		coll, pos, _ := p.checkCollisions(g, probe_vector)
+		if coll {
+			p.Robot.Probe = &pos
+		}
+	}
 }
 
 func (p *player) scan(g *game) {

robot.go

@@ -20,6 +20,7 @@ type Robot struct {
 	LastFired     int        `json:"-"`
 	Collision     bool       `json:"collision"`
 	Hit           bool       `json:"hit"`
+	Probe         *v.Point2d `json:"probe"`
 }
 
 // This is the subset of data we send to players about robots
@@ -158,6 +159,7 @@ func (s StatsRequest) Valid() bool {
 type Instruction struct {
 	MoveTo      *v.Point2d `json:"move_to,omitempty"`
 	FireAt      *v.Point2d `json:"fire_at,omitempty"`
+	Probe       *v.Point2d `json:"probe,omitempty"`
 	TargetSpeed *float32   `json:"target_speed,omitempty"`
 	Repair      *bool      `json:"repair,omitempty"`
 	Stats       Stats      `json:"stats"`