@SugarRay Here is the joystick code. I found it on the forum, but i don’t remember who wrote it.
JoyStick = class()
--Note all the options you can set below. Pass them through in a named table
--the damp variable sets a "dead" area in the middle of the joystick where touches don't have an effect
--the default for this is 0.1. This means that sideways or vertical movements don't have any effect until
--they get beyond 10% of the radius away from the centre. The reason is that our fingers are not accurate,
--and if you are just trying to go up, it is difficult to do that without your finger going a little left or right
--and making the plane tip as well. If the middle of the joystick is "dead", your finger doesn't need to be so
--accurate.
function JoyStick:init(t)
t = t or {}
self.radius = t.radius or 100 --size of joystick on screen
self.titleDelta=self.radius*0.6
self.stick = t.stick or 30 --size of inner circle
self.centre = t.centre or self.radius * vec2(1,1) + vec2(5,5)
self.damp=t.damp or vec2(0.1,0.1) --see note above
self.position = vec2(0,0) --initial position of inner circle
self.target = vec2(0,0) --current position of inner circle (used when we interpolate movement)
self.value = vec2(0,0)
self.delta = vec2(0,0)
self.mspeed = 60
self.moving = 0
self.titleGlobal=""
self.titleTop=""
self.titleBot=""
self.titleLeft=""
self.titleRight=""
self.sumy=0
self.sumx=0
end
function JoyStick:draw()
-- ortho()
-- viewMatrix(matrix())
pushStyle()
fill(160, 182, 191, 50)
stroke(118, 154, 195, 100)
strokeWidth(1)
ellipse(self.centre.x,self.centre.y,2*self.radius)
fill(78, 131, 153, 50)
ellipse(self.centre.x+self.position.x, self.centre.y+self.position.y, self.stick*2)
--titles
fill(255,255,255)
text(self.titleGlobal, self.centre.x,self.centre.y-self.radius-10)
text(self.titleTop, self.centre.x,self.centre.y+self.titleDelta)
text(self.titleBot, self.centre.x,self.centre.y-self.titleDelta)
text(self.titleLeft, self.centre.x-self.titleDelta,self.centre.y)
text(self.titleRight, self.centre.x+self.titleDelta,self.centre.y)
popStyle()
end
function JoyStick:touched(t)
if t.state == BEGAN then
local v = vec2(t.x,t.y)
if v:dist(self.centre)<self.radius-self.stick then
self.touch = t.id
end
end
if t.id == self.touch then
if t.state~=ENDED then
local v = vec2(t.x,t.y)
if v:dist(self.centre)>self.radius-self.stick then
v = (v - self.centre):normalize()*(self.radius - self.stick) + self.centre
end --set x,y values for joy based on touch
self.target=v - self.centre
else --reset joystick to centre when touch ends
self.target=vec2(0,0)
self.touch = false
end
end
end
function JoyStick:update()
local p = self.target - self.position
if p:len() < DeltaTime * self.mspeed then
self.position = self.target
if not self.touch then
if self.moving ~= 0 then
self.moving = self.moving - 1
end
else
self.moving = 2
end
else
self.position = self.position + p:normalize() * DeltaTime * self.mspeed
self.moving = 2
end
local v=self.position/(self.radius - self.stick)
return self:Dampen(v)
end
function JoyStick:Dampen(v)
if not self.damp then return v end
if v.x>0 then v.x=math.max(0,(v.x-self.damp.x)/(1-self.damp.x))
else v.x=math.min(0,(v.x+self.damp.x)/(1-self.damp.x)) end
if v.y>0 then v.y=math.max(0,(v.y-self.damp.y)/(1-self.damp.y))
else v.y=math.min(0,(v.y+self.damp.y)/(1-self.damp.y)) end
return v
end
function JoyStick:isMoving()
return self.moving
end
function JoyStick:isTouched()
return self.touch
end
. So, seems best practice to ensure .mtl file works is to make sure the texture/maps folder’s name is the same as specified in the .mtl file.