forked from hkc/cc-stuff
wallhack: flipping entity coordinates, so that they are rendered in front
This commit is contained in:
parent
2856bf796b
commit
7d8cc2834e
|
@ -1,4 +1,42 @@
|
|||
return function()
|
||||
local playerLookVector = nil
|
||||
|
||||
local function updateLookVector()
|
||||
-- pitch:
|
||||
-- 0 => positive Z
|
||||
-- 90 => negative X
|
||||
local yawr = math.rad(player.yaw)
|
||||
local pitchr = math.rad(player.pitch)
|
||||
local cosPitch = math.cos(pitchr)
|
||||
local x = cosPitch * -math.sin(yawr)
|
||||
local z = cosPitch * math.cos(yawr)
|
||||
local y = math.sin(pitchr)
|
||||
playerLookVector = {x, y, z, x = x, y = y, z = z}
|
||||
return playerLookVector
|
||||
end
|
||||
|
||||
local function dotProduct3(u, v)
|
||||
return u.x * v.x + u.y * v.y + u.z * v.z
|
||||
end
|
||||
|
||||
local function vec3Scale(k, v)
|
||||
return {k * v.x, k * v.y, k * v.z}
|
||||
end
|
||||
|
||||
local function vec3Add(u, v)
|
||||
return {u.x + v.x, u.y + v.y, u.z + v.z}
|
||||
end
|
||||
|
||||
local function toFrontCoords(entity)
|
||||
local dotResult = dotProduct3(entity, playerLookVector)
|
||||
if dotResult >= 0.0 then
|
||||
return {x = entity.x, y = entity.y, z = entity.z, flipped = false}
|
||||
end
|
||||
local result = vec3Add(entity, vec3Scale(-2 * dotResult, playerLookVector))
|
||||
result.flipped = true
|
||||
return result
|
||||
end
|
||||
|
||||
local cache = {}
|
||||
while _G._running do
|
||||
for id, entry in pairs(cache) do
|
||||
|
@ -18,16 +56,26 @@ return function()
|
|||
cache[id].frame = canvas3d.addFrame({ 0, 0, 0 })
|
||||
cache[id].text = cache[id].frame.addText({ 0, 0 }, "")
|
||||
end
|
||||
local entityFront = toFrontCoords(entity)
|
||||
if entityFront.flipped then
|
||||
cache[id].cube.setColor(0x004040FF)
|
||||
else
|
||||
cache[id].cube.setColor(0xFFC0C0FF)
|
||||
end
|
||||
cache[id].cube.setAlpha(0x20)
|
||||
cache[id].cube.setDepthTested(false)
|
||||
cache[id].frame.setDepthTested(false)
|
||||
cache[id].cube.setPosition(entity.x - 0.25, entity.y - 0.25, entity.z - 0.25)
|
||||
cache[id].frame.setPosition(entity.x, entity.y, entity.z)
|
||||
cache[id].cube.setPosition(entityFront.x - 0.25, entityFront.y - 0.25, entityFront.z - 0.25)
|
||||
cache[id].frame.setPosition(entityFront.x, entityFront.y, entityFront.z)
|
||||
cache[id].text.setAlpha(0xFF)
|
||||
cache[id].text.setText(entity.name .. "\n" .. textutils.serialize(entity))
|
||||
if entityFront.flipped then
|
||||
cache[id].text.setColor(0x00FFFFFF)
|
||||
else
|
||||
cache[id].text.setColor(0xFF0000FF)
|
||||
end
|
||||
end
|
||||
end
|
||||
os.sleep(0.05)
|
||||
end
|
||||
end
|
||||
|
|
Loading…
Reference in New Issue