moonfall/Assets/Scripts/BirdDefault.lua

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2014-10-21 04:54:42 +00:00
DIRECTION_NORTH = 1
DIRECTION_EAST = 2
DIRECTION_SOUTH = 3
DIRECTION_WEST = 4
function DoActorFly(direction)
ActorPhysicsSetVelocity(actorId, velocities[direction])
ActorAnimationSet(actorId, animations[direction])
ActorAnimationPlay(actorId, true)
end
function OnActorCreate(id, parameters)
actorId = id
speed = parameters.speed
alias = ActorGetAlias(actorId)
velocities =
{
[DIRECTION_NORTH] = {x = 0, y = -speed},
[DIRECTION_EAST] = {x = speed, y = 0},
[DIRECTION_SOUTH] = {x = 0, y = speed},
[DIRECTION_WEST] = {x = -speed, y = 0}
}
animations =
{
[DIRECTION_NORTH] = alias..".Fly.N",
[DIRECTION_EAST] = alias..".Fly.E",
[DIRECTION_SOUTH] = alias..".Fly.S",
[DIRECTION_WEST] = alias..".Fly.W"
}
local directionValues =
{
["north"] = DIRECTION_NORTH,
["east"] = DIRECTION_EAST,
["south"] = DIRECTION_SOUTH,
["west"] = DIRECTION_WEST
}
direction = directionValues[parameters.direction]
DoActorFly(direction)
end
function OnActorUpdate(elapsed)
local actorPosition = ActorGetPosition(actorId)
local actorPadding = 512
local cameraBounds = CameraGetBounds()
local outsideCamera =
actorPosition.x < cameraBounds.x0 - actorPadding or actorPosition.y < cameraBounds.y0 - actorPadding or
actorPosition.x > cameraBounds.x1 + actorPadding or actorPosition.y > cameraBounds.y1 + actorPadding
if outsideCamera then
ActorRemove(actorId)
end
end