feat: initial commit with M1-M4 implementation

internal/entities/player.go

@@ -0,0 +1,40 @@
+package entities
+
+type Team int
+
+const (
+	TeamRed Team = iota
+	TeamBlue
+)
+
+type Role int
+
+const (
+	RoleStriker Role = iota
+	RoleDefender
+	RoleGoalie
+)
+
+type Player struct {
+	Position     Vector2
+	Velocity     Vector2
+	Radius       float64
+	Team         Team
+	Role         Role
+	HomePosition Vector2
+	MaxSpeed     float64
+	Acceleration float64
+}
+
+func NewPlayer(x, y float64, team Team, role Role) *Player {
+	return &Player{
+		Position:     Vector2{X: x, Y: y},
+		HomePosition: Vector2{X: x, Y: y},
+		Velocity:     Vector2{X: 0, Y: 0},
+		Radius:       15,
+		Team:         team,
+		Role:         role,
+		MaxSpeed:     3.0,
+		Acceleration: 0.1,
+	}
+}

internal/entities/puck.go

@@ -0,0 +1,19 @@
+package entities
+
+type Vector2 struct {
+	X, Y float64
+}
+
+type Puck struct {
+	Position Vector2
+	Velocity Vector2
+	Radius   float64
+}
+
+func NewPuck(x, y float64) *Puck {
+	return &Puck{
+		Position: Vector2{X: x, Y: y},
+		Velocity: Vector2{X: 0, Y: 0},
+		Radius:   10,
+	}
+}