images/left_chicken.png images/right_chicken.png @@ -25,7 +25,12 @@ function Boid:new(x, y, vx, vy) instance.velocity = Vector:new(vx, vy) instance.position = Vector:new(x, y) instance.velocity_delta = Vector:new(0, 0) - instance.sprite = love.graphics.newImage("images/cow.png") + + instance.left_sprite = love.graphics.newImage("images/left_chicken.png") + instance.left_anim = love.graphics.newAnimation(instance.left_sprite, 18, 18, 0.1) + instance.right_sprite = love.graphics.newImage("images/right_chicken.png") + instance.right_anim = love.graphics.newAnimation(instance.right_sprite, 18, 18, 0.1) + instance.anim = left_anim return instance end @@ -112,6 +117,17 @@ function Boid:move() self.position = self.position + self.velocity end +function Boid:update(dt) + if self.velocity.x <= 0 then + self.anim = self.left_anim + else + self.anim = self.right_anim + end + + self.anim:update(dt) +end + function Boid:draw() - love.graphics.draw(self.sprite, self.position.x, self.position.y) + love.graphics.draw(self.anim, self.position.x, self.position.y, + math.deg(self.velocity:ang()), 1) end boid.lua @@ -9,7 +9,7 @@ require 'boid' function load() math.randomseed(os.time()) - num_boids = 40 + num_boids = 50 num_foodstuff = 5 boids = {} foodstuffs = {} @@ -34,7 +34,8 @@ function update(dt) for _, boid in ipairs(boids) do boid:navigate(boids, foodstuffs) boid:move() - + boid:update(dt) + -- see if each food is isEaten for _, food in ipairs(foodstuffs) do food:isEaten(boid) main.lua @@ -65,8 +65,13 @@ function Vector:norm() return Vector:new(self.x, self.y) / self:r() end +function Vector:ang() + return math.atan(self.y / self.x) +end -- a = Vector:new(2,2) +-- print(a:toString()) +-- print(math.deg(a:ang())) -- b = Vector:new(5,6) -- print(a:to_s()) -- print(b:to_s()) vector.lua da27aef1397c26d2457e45f1818f7f4fd7ccb224 Wilhelm Chung wil@frogmetrics.com http://github.com/iamwilhelm/frock/commit/51781fc5bbf493a5a9f7ef33abe553bcd925ca17 51781fc5bbf493a5a9f7ef33abe553bcd925ca17 2009-02-09T18:19:36-08:00 2009-02-09T18:19:36-08:00 added animations to flying chickens 1534438fb5c2c0f06e603bab629530fd4eafff02 Wilhelm Chung wil@frogmetrics.com