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(local entity (require :lib.entity))
(local vec (require :lib.vec))
(local cell (require :lib.cell))
(local cells (require :lib.cells))
(local bullet (require :lib.bullet))
(fn init [self pos]
(setmetatable {entity.position pos
entity.velocity {:x 0 :y 0}
:target-spin 0
:shot-age 20
:direction 0}
self))
(fn steer [self game id controls]
(when (> self.shot-age 0)
(set self.shot-age (- self.shot-age 1)))
;; TODO: smooth turning
(when controls.left
(set self.target-spin (- self.target-spin 0.15)))
;; (set self.direction (% (- self.direction 0.1) (* math.pi 2)))
(when controls.right
(set self.target-spin (+ self.target-spin 0.15)))
(set self.direction (% (+ self.direction (* self.target-spin 0.1)) (* math.pi 2)))
(set self.target-spin (* self.target-spin 0.9))
(when controls.up
(local v (entity.velocity self))
(set v.x (+ v.x (* (math.cos self.direction) 0.02)))
(set v.y (+ v.y (* (math.sin self.direction) 0.02)))
(when (> (vec.mag v) 0.8)
(tset self entity.velocity (vec.mul v (/ 0.8 (vec.mag v))))))
(when (and controls.shoot (= self.shot-age 0))
(set self.shot-age 10)
(local v (entity.velocity self))
(table.insert
game.entities
(entity.init
bullet
(vec.clone (entity.position self))
{:x (+ v.x (* (math.cos self.direction) 0.6))
:y (+ v.y (* (math.sin self.direction) 0.6))}))))
(fn draw [self game id]
(love.graphics.setColor 1 1 1)
(love.graphics.rotate self.direction)
(love.graphics.polygon :fill -0.6 -0.4 0.6 0 -0.6 0.4))
(fn collide [self game id x y]
(print "ow!")
(tset game.entities id nil)
(tset game.grid x y (cell.init cells.boom)))
{entity.init init entity.steer steer entity.draw draw entity.collide collide}
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