coala: Add coala support

.coafile

@@ -0,0 +1,13 @@
+[Default]
+files = src/**/*.java, examples/**/*.rpde
+
+max_line_length = 80
+
+# [Java]
+# # https://github.com/coala/coala-bears/issues/1750
+# bears = CheckstyleBear
+# indent_size = 4
+
+[R]
+bears = FormatRBear
+files = examples/**/*.rpde

.travis.yml

@@ -1,5 +1,6 @@
 language: java
-sudo: false
+
+services: docker
 
 jdk:
   - oraclejdk8
@@ -12,6 +13,7 @@ install:
   - ant try
 
 script:
+  - docker run -v=$(pwd):/app --workdir=/app coala/base coala --ci
   - ant report
 
 after_success:

examples/Basics/BasicOperations/BasicOperations.rpde

@@ -14,23 +14,18 @@ processing$bezierDetail(as.integer(12))
 
 processing$bezier(85, 20, 10, 10, 90, 90, 15, 80)
 
-# for (i in 1:16) {
-#   t = i / float(steps);
-#   x = processing$bezierPoint(85, 10, 90, 15, t);
-#   y = processing$bezierPoint(20, 10, 90, 80, t);
-#   tx = processing$bezierTangent(85, 10, 90, 15, t);
-#   ty = processing$bezierTangent(20, 10, 90, 80, t);
-#   a = atan2(ty, tx);
-#   a -= HALF_PI;
-#   line(x, y, cos(a)*8 + x, sin(a)*8 + y);
-# }
+# for (i in 1:16) { t = i / float(steps); x = processing$bezierPoint(85, 10, 90,
+# 15, t); y = processing$bezierPoint(20, 10, 90, 80, t); tx =
+# processing$bezierTangent(85, 10, 90, 15, t); ty = processing$bezierTangent(20,
+# 10, 90, 80, t); a = atan2(ty, tx); a -= HALF_PI; line(x, y, cos(a)*8 + x,
+# sin(a)*8 + y); }
 
 # bezierPoint
 for (i in 1:10) {
-  t = i / 10
-  x = processing$bezierPoint(85, 10, 90, 15, t)
-  y = processing$bezierPoint(20, 10, 90, 80, t)
-  processing$ellipse(x, y, 5, 5)
+    t = i/10
+    x = processing$bezierPoint(85, 10, 90, 15, t)
+    y = processing$bezierPoint(20, 10, 90, 80, t)
+    processing$ellipse(x, y, 5, 5)
 }
 
 processing$curve(5, 26, 73, 24, 73, 61, 15, 65)

examples/Basics/Draw/Draw.rpde

@@ -1,10 +1,10 @@
-yPos <- 0.0;
- 
+yPos <- 0
+
 draw <- function() {
-  processing$background(as.integer(204))
-  yPos <- yPos - 1.0;
-  if (yPos < 0) {
-    yPos <- height;
-  }
-  processing$line(0, yPos, width, yPos)
+    processing$background(as.integer(204))
+    yPos <- yPos - 1
+    if (yPos < 0) {
+        yPos <- height
+    }
+    processing$line(0, yPos, width, yPos)
 }

examples/Basics/ObjectOrientedProgramming/ObjectOrientedProgramming.rpde

@@ -3,69 +3,52 @@
 cols <- 10
 rows <- 10
 
-Cell <- function(x, y, w, h, angle)
-{
-    me <- list(
-        x = x,
-        y = y,
-        w = w,
-        h = h,
-        angle = angle
-    )
-    class(me) <- append(class(me),"Cell")
+Cell <- function(x, y, w, h, angle) {
+    me <- list(x = x, y = y, w = w, h = h, angle = angle)
+    class(me) <- append(class(me), "Cell")
     return(me)
 }
 
-oscillate <- function(cell)
-{
-    UseMethod("oscillate",cell)
+oscillate <- function(cell) {
+    UseMethod("oscillate", cell)
 }
 
-oscillate.Cell <- function(cell)
-{
-    # stdout$print("Calling the base oscillate function")
+oscillate.Cell <- function(cell) {
+    # stdout$print('Calling the base oscillate function')
     cell$angle <- cell$angle + 0.2
     return(cell)
 }
 
-display <- function(cell)
-{
-    UseMethod("display",cell)
+display <- function(cell) {
+    UseMethod("display", cell)
 }
 
-display.Cell <- function(cell)
-{
+display.Cell <- function(cell) {
     processing$stroke(255)
     processing$fill(127 + 127 * sin(cell$angle))
-    processing$rect(cell$x,cell$y,cell$w,cell$h)
+    processing$rect(cell$x, cell$y, cell$w, cell$h)
 }
 
 grid <- list()
 
 settings <- function() {
-  stdout$print("Set width and height.")
-  processing$size(200,200)
+    stdout$print("Set width and height.")
+    processing$size(200, 200)
 }
 
-setup <- function()
-{
-    for (i in 1:cols-1)
-    {
-        for (j in 1:rows-1)
-        {
+setup <- function() {
+    for (i in 1:cols - 1) {
+        for (j in 1:rows - 1) {
             # There is no 0 in a list.
-            grid[[1 + i * cols + j]] = Cell(i*20, j*20, 20, 20, i + j)
+            grid[[1 + i * cols + j]] = Cell(i * 20, j * 20, 20, 20, i + j)
         }
     }
 }
 
-draw <- function()
-{
+draw <- function() {
     processing$background(0)
-    for (i in 1:cols-1)
-    {
-        for (j in 1:rows-1)
-        {
+    for (i in 1:cols - 1) {
+        for (j in 1:rows - 1) {
             oscillate(grid[[1 + i * cols + j]])
             display(grid[[1 + i * cols + j]])
         }

examples/Basics/Settings/Settings.rpde

@@ -1,15 +1,15 @@
-yPos <- 0.0;
+yPos <- 0
 
 settings <- function() {
-  stdout$print("Set width and height.")
-  processing$size(500, 500)
+    stdout$print("Set width and height.")
+    processing$size(500, 500)
 }
 
 draw <- function() {
-  processing$background(as.integer(204))
-  yPos <- yPos - 1.0;
-  if (yPos < 0) {
-    yPos <- height;
-  }
-  processing$line(0, yPos, width, yPos)
+    processing$background(as.integer(204))
+    yPos <- yPos - 1
+    if (yPos < 0) {
+        yPos <- height
+    }
+    processing$line(0, yPos, width, yPos)
 }

examples/Basics/Setup/Setup.rpde

@@ -1,4 +1,4 @@
 setup <- function() {
-  processing$line(11, 22, 33, 22)
-  stdout$print("Hello, Processing.R")
+    processing$line(11, 22, 33, 22)
+    stdout$print("Hello, Processing.R")
 }

examples/Basics/ThreeDimensionalCube/ThreeDimensionalCube.rpde

@@ -1,53 +1,43 @@
 PI <- 3.1415
 
-settings <- function()
-{
- processing$size(500, 500, "processing.opengl.PGraphics3D")
+settings <- function() {
+    processing$size(500, 500, "processing.opengl.PGraphics3D")
 }
 
-setup <- function()
-{
-  processing$colorMode(as.integer(1), 1)
-  processing$frameRate(24)
+setup <- function() {
+    processing$colorMode(as.integer(1), 1)
+    processing$frameRate(24)
 }
 
-draw <- function()
-{
-  frames <- 24 * 3
-  t <- processing$frameCount() / frames
-
-  processing$background(1)
-
-  processing$perspective(0.5, 1, 0.01, 100)
-
-  processing$camera(
-    0, 0, 25 + sin(PI * 2 * t) * 3,
-    0, 0, 0,
-    0, 1, 0
-  )
-
-  processing$rotateX(-0.5 - 0.05 * sin(PI * 4 * t))
-  processing$rotateY(-0.5 - 0.05 * cos(PI * 2 * t))
-
-  columns <- 8
-  for (ix in 1:columns - 1)
-  {
-    x <- ix - 0.5 * columns + 0.5
-    for (iy in 1:columns - 1)
-    {
-      y <- iy - 0.5 * columns + 0.5
-      for (iz in 1:columns - 1)
-      {
-        z <- iz - 0.5 * columns + 0.5
-
-        d <- sqrt(x * x + y * y + z * z)
-        s <- abs(sin(d - t * 4 * PI))
-
-        processing$pushMatrix()
-        processing$translate(x, z, y)
-        processing$box(s)
-        processing$popMatrix()
-      }
+draw <- function() {
+    frames <- 24 * 3
+    t <- processing$frameCount()/frames
+
+    processing$background(1)
+
+    processing$perspective(0.5, 1, 0.01, 100)
+
+    processing$camera(0, 0, 25 + sin(PI * 2 * t) * 3, 0, 0, 0, 0, 1, 0)
+
+    processing$rotateX(-0.5 - 0.05 * sin(PI * 4 * t))
+    processing$rotateY(-0.5 - 0.05 * cos(PI * 2 * t))
+
+    columns <- 8
+    for (ix in 1:columns - 1) {
+        x <- ix - 0.5 * columns + 0.5
+        for (iy in 1:columns - 1) {
+            y <- iy - 0.5 * columns + 0.5
+            for (iz in 1:columns - 1) {
+                z <- iz - 0.5 * columns + 0.5
+
+                d <- sqrt(x * x + y * y + z * z)
+                s <- abs(sin(d - t * 4 * PI))
+
+                processing$pushMatrix()
+                processing$translate(x, z, y)
+                processing$box(s)
+                processing$popMatrix()
+            }
+        }
     }
-  }
-}
+}

examples/Basics/Trigonometry/trigonometry.rpde

@@ -12,60 +12,54 @@ radius <- 50
 frequency <- 2
 frequency2 <- 2
 
-settings <- function()
-{
+settings <- function() {
     processing$size(600, 200)
 }
 
-draw <- function()
-{
+draw <- function() {
     processing$background(127)
     processing$noStroke()
     processing$fill(255)
-    processing$ellipse(width/8, 75, radius*2, radius*2)
+    processing$ellipse(width/8, 75, radius * 2, radius * 2)
     # Rotates rectangle around circle
-    px <- width/8 + cos(processing$radians(angle))*(radius)
-    py <- 75 + sin(processing$radians(angle))*(radius)
+    px <- width/8 + cos(processing$radians(angle)) * (radius)
+    py <- 75 + sin(processing$radians(angle)) * (radius)
     processing$fill(0)
-
+    
     processing$rect(px, py, 5, 5)
     processing$stroke(100)
     processing$line(width/8, 75, px, py)
     processing$stroke(200)
-
-    # Keep reinitializing to 0, to avoid
-    # Flashing during redrawing
+
+    # Keep reinitializing to 0, to avoid Flashing during redrawing
     angle2 <- 0
-
+    
     # Draw static curve - y <- sin(x)
-    for (i in 1:width - 1)
-    {
-        px2 <- width/8 + cos(processing$radians(angle2))*(radius)
-        py2 <- 75 + sin(processing$radians(angle2))*(radius)
-        processing$point(width/8+radius+i, py2)
+    for (i in 1:width - 1) {
+        px2 <- width/8 + cos(processing$radians(angle2)) * (radius)
+        py2 <- 75 + sin(processing$radians(angle2)) * (radius)
+        processing$point(width/8 + radius + i, py2)
         angle2 <- angle2 - frequency2
     }
-
-    # Send small ellipse along sine curve
-    # to illustrate relationship of circle to wave
+    
+    # Send small ellipse along sine curve to illustrate relationship of circle to
+    # wave
     processing$noStroke()
-    processing$ellipse(width/8+radius+x, py, 5, 5)
+    processing$ellipse(width/8 + radius + x, py, 5, 5)
     angle <- angle - frequency
     x <- x + 1
-
-    # When little ellipse reaches end of window,
-    # set the variables back to 0
-    if (x >= width-60) {
+
+    # When little ellipse reaches end of window, set the variables back to 0
+    if (x >= width - 60) {
         x <- 0
         angle <- 0
     }
-
+    
     # Draw dynamic line connecting circular path with wave
     processing$stroke(50)
-    processing$line(px, py, width/8+radius+x, py)
-
-    # Output calculations to screen
-    # processing$text("y <- sin x", 35, 185)
-    # processing$text("px <- " + px, 105, 185)
-    # processing$text("py <- " + py, 215, 185)
-}
+    processing$line(px, py, width/8 + radius + x, py)
+
+    # Output calculations to screen processing$text('y <- sin x', 35, 185)
+    # processing$text('px <- ' + px, 105, 185) processing$text('py <- ' + py, 215,
+    # 185)
+}