This is a quick and dirty adaptation of as2 script from http://www.har95.com, a weblog written by Antonio Calviño Esquer.
All credits belong to him but if you want to play and clean it :
main.lua :
--[[------------------------- ALL CREDITS GOES TO : -------------------------------
http://char95.com/post/waterSurface2D/
Copyright (c) 2010 char95.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
------------------------------------------------------------------------------]]--
nNodes = 160
kf = 0.850
kp = 0.500
kr = 0.985
ho = 400
wo = 340
dxNode = 0
dx = 0
dy = 0
x = {}
y = {}
y0 = {}
x0 = {}
vy = {}
vx = {}
mousexo = 0
mouseyo = 0
mousex = 0
mousey = 0
line = {}
onScreenTouch = function(event)
if event.phase == "began" then
mousex = event.x
mousey = event.y
if event.y \> 400 then
Runtime:addEventListener( "enterFrame", action )
elseif event.y \< 400 then
Runtime:removeEventListener( "enterFrame", action )
end
elseif event.phase == "ended" then
Runtime:removeEventListener( "enterFrame", action )
end
end
loop = function()
dy = mousey- mouseyo
dx = mousex - mousexo
nodeTransfer()
mousexo = mousex
mouseyo = mousey
end
init = function()
NodeWidth = 480/nNodes
background = display.newRect(0, 0, 480, 800)
background:setFillColor(243, 226, 183)
circle = display.newCircle(240,400,120 )
circle:setFillColor(197, 61, 49)
myText = display.newText("TOUCH THE WATER !", 170, 150, native.systemFontBold, 12)
myText:setTextColor(158, 46, 35)
myText.size = 36
for n = 0, nNodes do
x[n] = dxNode + NodeWidth\*n
y[n] = 400
x0[n] = x[n]
y0[n] = y[n]
vx[n] = 0
vy[n] = 0
end
Runtime:addEventListener( "enterFrame", loop )
Runtime:addEventListener( "touch", onScreenTouch )
end
action = function()
closeNode = math.floor(mousex/NodeWidth)
yStrong = math.ceil(math.abs(mousey)/20)
yNoise = math.abs(mousey / 8) + 3
for n=0,nNodes do
yRandNoise = math.random(-5,5 )
nodeDist = math.abs(closeNode - n)
theta = math.max((yStrong - nodeDist) / yStrong, 0) \* math.pi - math.pi/2
yRange = (math.sin(theta) + 1)/20
dv = kf \* mousey \* yRange + yRandNoise
vy[n] = vy[n] + dv\*.05
vx[n]= 0
end
end
nodeTransfer = function()
for n=0,nNodes do
if (n==0) then
dvx = x[n + 1] - x[n]
dvy = y[n + 1] - y[n]
elseif (n == nNodes) then
dvx = x[n - 1] - x[n]
dvy = y[n - 1] - y[n]
else
dvx = x[n + 1] + x[n - 1] - 2 \* x[n]
dvy = y[n + 1] + y[n - 1] - 2 \* y[n]
end
dvy = dvy\*kp
dvx = dvx\*kp
vx[n] = (vx[n] + dvx) \* kr
vy[n] = (vy[n] + dvy) \* kr
end
nodeMove()
end
nodeMove = function()
for n=0,nNodes do
y[n] = y[n] + vy[n]
vy[n] = vy[n] + (y0[n] - y[n]) / 100
if n ~= 0 and n ~= nNodes then
x[n] = x[n] + vx[n]
vx[n] = vx[n] + (x0[n] - x[n]) / 100
else
vx[n] = 0
end
end
nodeDraw()
end
nodeDraw = function()
for n=0,nNodes do
if line[n] then
line[n]:removeSelf()
end
end
for n=0,nNodes do
line[n] = display.newLine(x[n], y[n], x[n], 800)
line[n]:setColor( 180, 201, 192, 230 )
line[n].width = NodeWidth
end
end
init() config.lua :
application ={content ={width = 480,height = 800,scale = "letterbox",fps = 100},}[/code] [import]uid: 29419 topic_id: 8425 reply_id: 308425[/import]