daily pastebin goal
34%
SHARE
TWEET

Untitled

a guest Aug 12th, 2017 59 Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
  1. --@author
  2. --@shared
  3. --@client
  4.  
  5. --[[
  6. function cerp(xd, yd, dd, x)
  7.     local  i = 1
  8.    
  9.     while xd[i] < x do
  10.         i = i + 1
  11.            
  12.         local t = (x - xd[i-1]) / (xd[i] - xd[i-1])
  13.            
  14.         local a =  dd[i-1]*(xd[i]-xd[i-1]) - (yd[i]-yd[i-1])
  15.         local b = -dd[i  ]*(xd[i]-xd[i-1]) + (yd[i]-yd[i-1])
  16.            
  17.         return (1-t)*yd[i-1] + t*yd[i] + t*(1-t)*(a*(1-t)+b*t)
  18.     end
  19. end
  20. --]]
  21.  
  22. function cerp(p1, p2, p3, p4, x)
  23.     local a = 2*p2 - 2*p3 + p1 + p4
  24.     local b = -3*p2 + 3*p3 - 2*p1 - p4
  25.     local c = p1
  26.     local d = p2
  27.    
  28.     return a*x^3 + b*x^2 + c*x + d
  29. end
  30.  
  31. function cerp(v0, v1, v2, v3, x)
  32.     local v0, v1, v2, v3 = v0 or 0, v1 or 0, v2 or 0, v3 or 0
  33.     local a = (v3 - v2) - (v0 - v1)
  34.     local b = (v0 - v1) - a
  35.     local c = v2 - v0
  36.     local d = v1
  37.     return a*x^3 + b*x^2 + c*x + d
  38. end
  39.  
  40. point = {Vector(0, 0), Vector(100, 256), Vector(200, 256), Vector(300, 500), Vector(400, 100), Vector(500, 500)}
  41. render.createRenderTarget("test")
  42. hook.add("render", "", function()
  43.     local x, y = render.cursorPos(player())
  44.     x, y = x or 0, y or 0
  45.    
  46.     point[2] = Vector(x, y)
  47.    
  48.    
  49.    
  50.     render.selectRenderTarget("test")
  51.    
  52.     render.setColor(Color(0, 0, 0, 255))
  53.     render.drawRect(0, 0, 1024, 1024)
  54.     render.setColor(Color(255))
  55.    
  56.     for i=1, 50 do
  57.         local x1 = cerp(point[1], point[2], point[3], point[4], (1/50)*i-(1/50)).x
  58.         local y1 = cerp(point[1], point[2], point[3], point[4], (1/50)*i-(1/50)).y
  59.        
  60.         local x2 = cerp(point[1], point[2], point[3], point[4], (1/50)*(i+1)-(1/50)).x
  61.         local y2 = cerp(point[1], point[2], point[3], point[4], (1/50)*(i+1)-(1/50)).y
  62.        
  63.         render.drawLine(x1*2, y1*2, x2*2, y2*2)
  64.        
  65.        
  66.         x1 = cerp(point[2], point[3], point[4], point[5], (1/50)*i-(1/50)).x
  67.         y1 = cerp(point[2], point[3], point[4], point[5], (1/50)*i-(1/50)).y
  68.        
  69.         x2 = cerp(point[2], point[3], point[4], point[5], (1/50)*(i+1)-(1/50)).x
  70.         y2 = cerp(point[2], point[3], point[4], point[5], (1/50)*(i+1)-(1/50)).y
  71.        
  72.         render.drawLine(x1*2, y1*2, x2*2, y2*2)
  73.        
  74.        
  75.         x1 = cerp(point[3], point[4], point[5], point[6], (1/50)*i-(1/50)).x
  76.         y1 = cerp(point[3], point[4], point[5], point[6], (1/50)*i-(1/50)).y
  77.        
  78.         x2 = cerp(point[3], point[4], point[5], point[6], (1/50)*(i+1)-(1/50)).x
  79.         y2 = cerp(point[3], point[4], point[5], point[6], (1/50)*(i+1)-(1/50)).y
  80.        
  81.         render.drawLine(x1*2, y1*2, x2*2, y2*2)
  82.     end
  83.     render.selectRenderTarget(nil)
  84.    
  85.     render.setRenderTargetTexture("test")
  86.     render.drawTexturedRect(0, 0, 512, 512)
  87.    
  88.     for k, v in pairs(point) do
  89.         render.drawRect(v.x, v.y, 10, 10)
  90.     end
  91. end)
RAW Paste Data
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. OK, I Understand
 
Top