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cellulo-lovr/class/boids/controls/AbsoluteControls.lua
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AbsoluteControls.lua
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--[[
* Absolute control scheme
Cellulo acts like a mouse
]]--
local global = require "global"
local AbsoluteControls = (class "boids.controls.Controls"):subclass("AbsoluteControls")
local CELLULO_ABSOLUTE_SPEED = 0.04
local CELLULO_MAX_HAPTIC_FORCE = 20
local CELLULO_HAPTIC_FACTOR = 10
function AbsoluteControls.static:applyMovement(boid, dt)
-- move continuously
local kidnapped = boid:getCellulo():getKidnapped()
if kidnapped then
boid.ox, boid.oy, boid.oa = nil, nil, nil
end
if not kidnapped then
if boid.ox and boid.oy and boid.oa then
local da = boid:getCellulo():getTheta() - boid.oa
da = math.atan2(math.sin(da), math.cos(da))
local angle = boid:getAngle()
angle = angle - da -- no need for dt?
boid:setAngle(angle)
local dx, dy = boid:getCellulo():getX() - boid.ox, boid:getCellulo():getY() - boid.oy
local x, y, z = boid:getCollider():getPosition()
dx, dy = util.rotateVector(dx, dy, -global.camera:getAngle())
x, z = x + dx * CELLULO_ABSOLUTE_SPEED, z + dy * CELLULO_ABSOLUTE_SPEED
boid:setPosition(x, y, z)
boid:getCollider():setPosition(x, y, z)
end
-- set origin
boid.ox, boid.oy, boid.oa = boid:getCellulo():getX(), boid:getCellulo():getY(), boid:getCellulo():getTheta()
end
end
function AbsoluteControls.static:applyHapticFeedback(boid, dt, dir)
dir:mul(CELLULO_HAPTIC_FACTOR)
if dir:length() > CELLULO_MAX_HAPTIC_FORCE then
dir:normalize()
dir:mul(CELLULO_MAX_HAPTIC_FORCE)
end
local dx, dy, dz = dir:unpack()
dx, dz = util.rotateVector(dx, dz, global.camera:getAngle())
boid:getCellulo():setGoalVelocity(dx, dz, 0)
end
return AbsoluteControls
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