organizing folders

experimentingSinCosinTan/main.lua

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+--- vars ...
+wheight = 0
+wwidth = 0
+x = 0
+y = 0
+bdt = 1
+offset = 0
+xArray={}
+yArray={}
+nStraal = 0
+
+
+
+--- shaders ...
+
+local shader_code = [[
+  extern number eff;
+  vec4 effect( vec4 color, Image texture, vec2 texture_coords, vec2 screen_coords ){
+    vec4 pixel = Texel(texture, texture_coords); // this is the current pixel color
+    number average = (pixel.r + pixel.b + pixel.g) / 3.0;
+    pixel.r = pixel.r + (average-pixel.r) *eff;
+    pixel.g = pixel.g + (average-pixel.g) *eff;
+    pixel.b = pixel.b + (average-pixel.b) *eff;
+    return pixel * color;
+  }
+]]
+
+
+
+--- objects ...
+player = {
+  properties = {
+    name = "PlayerName",
+    sprite = "NaN"
+  },
+  size = {
+    width = 5,
+    height = 10
+  },
+  physics = {
+    gravity = false,
+    rate = 0.1,
+    grate = 0.98,
+    pos = {
+      x = 50,
+      y = 50,
+      z = 1
+    },
+    vel = {
+      x = 1,
+      y = 1,
+      z = 1
+    },
+    Addvel = function(self, vx, vy, vz)
+      self.vel.x = self.vel.x + vx
+      self.vel.y = self.vel.y + vy
+      self.vel.z = self.vel.z + vz
+    end,
+    Stopvel = function(self)
+      self.vel.x = 1
+      self.vel.y = 1
+      self.vel.z = 1
+    end,
+    Update = function(self)
+      self.pos.x = self.pos.x * self.vel.x
+      self.pos.y = self.pos.y * self.vel.y
+      self.pos.z = self.pos.z * self.vel.z
+      if(self.gravity) then self.vel.y = self.vel.y + grate end
+      if(self.vel.x < 1) then self.vel.x = self.vel.x + self.rate end
+      if(self.vel.y < 1) then self.vel.y = self.vel.y + self.rate end
+      if(self.vel.z < 1) then self.vel.z = self.vel.z + self.rate end
+      if(self.vel.x > 1) then self.vel.x = self.vel.x - self.rate end
+      if(self.vel.y > 1) then self.vel.y = self.vel.y - self.rate end
+      if(self.vel.z > 1) then self.vel.z = self.vel.z - self.rate end
+    end,
+    SetPosition = function(self, x, y, z)
+      self.pos.x = x
+      self.pos.y = y
+      self.pos.z = z
+      self.vel.x = 1
+      self.vel.y = 1
+      self.vel.z = 1
+    end
+  }
+}
+
+
+balls = {
+  xcors = {},
+  ycors = {},
+  dia = {},
+  segs = {},
+  spesh = {},
+  mov = {},
+  spd = {},
+  tresh = {},
+  tmptresh = {},
+  update = function(self, val, len)
+    for i,v in ipairs(self.dia) do
+      if (val > self.tresh[i])then
+        self.tresh[i] = self.tresh[i] +self.tmptresh[i]
+        self.dia[i] = math.sin((val/self.spesh[i]) * math.pi) * len
+        if self.mov[i] >= .5 then
+          self.xcors[i] = self.xcors[i] + math.random(-1 * self.spd[i], self.spd[i])
+          self.ycors[i] = self.ycors[i] + math.random(-1 * self.spd[i], self.spd[i])
+          if self.xcors[i] > wwidth then self.xcors[i] = wwidth end
+          if self.ycors[i] > wheight then self.ycors[i] = wheight end
+          if self.xcors[i] < 0 then self.xcors[i] = 0 end
+          if self.ycors[i] < 0 then self.ycors[i] = 0 end
+        end
+      end
+    end
+  end
+}
+
+
+
+---homeFunctions ...
+
+
+
+
+---mainFunctions ...
+
+--loadVars
+function love.load()
+  firstshader = love.graphics.newShader(shader_code)
+  r = 1
+  g = 1
+  b = 1
+  a = .8
+  nStraal = 30
+  arrayOfPoints = {}
+  canvas = love.graphics.newCanvas(800, 600)
+  wheight = love.graphics.getHeight()
+  wwidth = love.graphics.getWidth()
+  love.graphics.setCanvas(canvas)
+       love.graphics.clear()
+       love.graphics.setBlendMode("alpha")
+   love.graphics.setCanvas()
+  bdt = 1
+  for i=1,150 do
+    balls.xcors[i] = math.random(0, wwidth)
+    balls.ycors[i] = math.random(0, wheight)
+    balls.dia[i] = math.random(0,50)
+    balls.segs[i] = math.random(0,500)
+    balls.spesh[i] = math.random(0,300)
+    balls.mov[i] = math.random(0,1)
+    balls.spd[i] = math.random(0,20)
+    balls.tresh[i] = math.random(0,.001)
+    balls.tmptresh[i] = balls.tresh[i]
+  end
+end
+
+
+
+
+--- updateVars
+function love.update(dt)
+  print("FRAME")
+  player.physics:Update()
+  x = x + 1
+  if (x > wwidth) then
+    offset = x - wwidth
+  end
+  y=math.sin(bdt * math.pi)*wheight/2 + wheight/2
+  r = math.cos((bdt / 10) * math.pi)
+  g = math.sin((bdt / 10) * math.pi)
+  b = math.cos((bdt / 100)* math.pi)
+  balls:update(bdt, nStraal)
+  firstshader:send("eff", math.sin((love.mouse.getX()+love.mouse.getY()) * math.pi))
+  bdt = bdt + dt
+  --print(bdt)
+  ---[[
+  ---[[print("r: "..r)
+---[[  print("g: "..g)
+---[[  print("b: "..b)]]
+  table.insert(xArray, x)
+  table.insert(yArray, y)
+
+  if (table.getn(arrayOfPoints) < (wwidth *2)) then
+    table.insert(arrayOfPoints, x)
+    table.insert(arrayOfPoints, y)
+  else
+    table.remove(arrayOfPoints, 2)
+    table.insert(arrayOfPoints, x)
+    table.insert(arrayOfPoints, y)
+    for i,v in ipairs(arrayOfPoints) do
+      if (math.fmod(i, 2) == 0) then
+        arrayOfPoints[i-1] = arrayOfPoints[i-1] - offset
+      end
+    end
+  end
+end
+
+function love.keypressed( key )
+  print("key "..key.." has been pressed")
+  if key == "escape" then
+    love.event.quit(1)
+  end
+end
+
+
+---darwFunction
+function love.draw()
+  love.graphics.setShader(firstshader)
+  love.graphics.setBlendMode("alpha", "premultiplied")
+
+  --print("height = " .. wheight .. "\nwidth = " .. wwidth .. "\nx = " .. x .. "\ny = " .. y .. "\nframes: " .. bdt)
+  love.graphics.draw(canvas)
+  love.graphics.setBackgroundColor(r, g, b, a)
+  love.graphics.setColor(1-r, 1-b, 1-g, 1)
+  for i,v in ipairs(balls.xcors) do
+    love.graphics.circle("fill", balls.xcors[i], balls.ycors[i], balls.dia[i], balls.segs[i])
+  end
+  --[[ EXPERIMENT OF ME TRYING TO GET A SCROLLING SINUS FUNCTION (when x reaches edge of screen, screen starts scrolling)
+  if (not (table.getn(arrayOfPoints) < 4)) and (math.fmod(table.getn(arrayOfPoints), 2) == 0) then
+    love.graphics.line(arrayOfPoints)
+  end]]
+
+
+
+end