23 lines
506 B
Lua
23 lines
506 B
Lua
local Vec3 = require "lib/vec3"
|
|
|
|
--- @class PanningState
|
|
--- @field pos Vec3 | nil
|
|
--- @field delta Vec3
|
|
local panning = {
|
|
pos = nil,
|
|
delta = Vec3 {},
|
|
}
|
|
|
|
function panning:update(dt)
|
|
if love.mouse.isDown(3) then
|
|
local mouseX, mouseY = love.mouse.getPosition()
|
|
if (panning.pos) then panning.delta = panning.pos - Vec3 { mouseX, mouseY } end
|
|
panning.pos = Vec3 { mouseX, mouseY }
|
|
return
|
|
end
|
|
panning.pos = nil
|
|
panning.delta = Vec3 {}
|
|
end
|
|
|
|
return panning
|