Class Applet

java.lang.Object
processing.core.PApplet
org.openpatch.scratch.internal.Applet
All Implemented Interfaces:
processing.core.PConstants
public class Applet extends processing.core.PApplet
The Applet class represents the main application window. It is responsible for loading assets, managing stages, and handling mouse and keyboard events.

  • Nested Class Summary

    Nested classes/interfaces inherited from class processing.core.PApplet

    processing.core.PApplet.WindowEventValuePairs

  • Field Summary

    Fields inherited from class processing.core.PApplet

    args, ARGS_BGCOLOR, ARGS_DISABLE_AWT, ARGS_DISPLAY, ARGS_EDITOR_LOCATION, ARGS_EXTERNAL, ARGS_FULL_SCREEN, ARGS_HIDE_STOP, ARGS_LOCATION, ARGS_PRESENT, ARGS_SKETCH_FOLDER, ARGS_STOP_COLOR, ARGS_UI_SCALE, ARGS_WINDOW_COLOR, DEFAULT_HEIGHT, DEFAULT_WIDTH, disableAWT, displayHeight, displayWidth, dmouseX, dmouseY, emouseX, emouseY, exitCalled, EXTERNAL_MOVE, EXTERNAL_STOP, finished, firstMouse, focused, frameCount, frameRate, frameRateLastNanos, g, height, insideDraw, javaPlatform, javaVersion, javaVersionName, key, keyCode, keyEvent, keyPressed, keyRepeatEnabled, looping, matchPatterns, mouseButton, mouseEvent, mousePressed, mouseX, mouseY, pixelDensity, pixelHeight, pixels, pixelWidth, platform, pmouseX, pmouseY, ratioLeft, ratioScale, ratioTop, recorder, redraw, rheight, rmouseX, rmouseY, rwidth, surface, useNativeSelect, width, windowX, windowY

    Fields inherited from interface processing.core.PConstants

    ADD, ALPHA, ALT, AMBIENT, ARC, ARGB, ARROW, BACKSPACE, BASELINE, BEVEL, BEZIER_VERTEX, BICUBIC, BILINEAR, BLEND, BLUR, BOTTOM, BOX, BREAK, BURN, CENTER, CHATTER, CHORD, CLAMP, CLOSE, CODED, COMPLAINT, CONTROL, CORNER, CORNERS, CROSS, CURVE_VERTEX, CUSTOM, DARKEST, DEG_TO_RAD, DELETE, DIAMETER, DIFFERENCE, DILATE, DIRECTIONAL, DISABLE_ASYNC_SAVEFRAME, DISABLE_BUFFER_READING, DISABLE_DEPTH_MASK, DISABLE_DEPTH_SORT, DISABLE_DEPTH_TEST, DISABLE_KEY_REPEAT, DISABLE_NATIVE_FONTS, DISABLE_OPENGL_ERRORS, DISABLE_OPTIMIZED_STROKE, DISABLE_STROKE_PERSPECTIVE, DISABLE_STROKE_PURE, DISABLE_TEXTURE_MIPMAPS, DODGE, DOWN, DXF, ELLIPSE, ENABLE_ASYNC_SAVEFRAME, ENABLE_BUFFER_READING, ENABLE_DEPTH_MASK, ENABLE_DEPTH_SORT, ENABLE_DEPTH_TEST, ENABLE_KEY_REPEAT, ENABLE_NATIVE_FONTS, ENABLE_OPENGL_ERRORS, ENABLE_OPTIMIZED_STROKE, ENABLE_STROKE_PERSPECTIVE, ENABLE_STROKE_PURE, ENABLE_TEXTURE_MIPMAPS, ENTER, EPSILON, ERODE, ESC, EXCLUSION, FX2D, GIF, GRAY, GROUP, HALF_PI, HAND, HARD_LIGHT, HINT_COUNT, HSB, IMAGE, INVERT, JAVA2D, JPEG, LANDSCAPE, LEFT, LIGHTEST, LINE, LINE_LOOP, LINE_STRIP, LINES, LINUX, MACOS, MACOSX, MAX_FLOAT, MAX_INT, MIN_FLOAT, MIN_INT, MITER, MODEL, MODELVIEW, MOVE, MULTIPLY, NEAREST_NEIGHBOR, NORMAL, OPAQUE, OPEN, OPENGL, ORTHOGRAPHIC, OTHER, OVERLAY, P2D, P3D, PATH, PDF, PERSPECTIVE, PI, PIE, platformNames, POINT, POINTS, POLYGON, PORTRAIT, POSTERIZE, PROBLEM, PROJECT, PROJECTION, QUAD, QUAD_BEZIER_VERTEX, QUAD_STRIP, QUADRATIC_VERTEX, QUADS, QUARTER_PI, RAD_TO_DEG, RADIUS, RECT, REPEAT, REPLACE, RETURN, RGB, RIGHT, ROUND, SCREEN, SHAPE, SHIFT, SOFT_LIGHT, SPAN, SPHERE, SPOT, SQUARE, SUBTRACT, SVG, TAB, TARGA, TAU, TEXT, THIRD_PI, THRESHOLD, TIFF, TOP, TRIANGLE, TRIANGLE_FAN, TRIANGLE_STRIP, TRIANGLES, TWO_PI, UP, VERTEX, WAIT, WHITESPACE, WINDOWS, X, Y, Z

  • Constructor Summary

    Constructors
    Constructor
    Description
    Applet(int width, int height, boolean fullscreen, String assets)
    Constructs an Applet with the specified width, height, fullscreen mode, and assets path.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    addStage(String name, Stage stage)
    Deprecated.
    since 4.0.0.
    void
    draw()
    Draws the application window.
    double
    getDeltaTime()
    Returns the time since the last frame in seconds.
    int
    getHeight()
    Returns the height of the current window.
    static Applet
    getInstance()
    Returns the instance of the application.
    AbstractMap<Integer,Boolean>
    getKeyCodePressed()
     
    static String
    getPath(String path)
     
    int
    getRenderHeight()
     
    int
    getRenderWidth()
     
    Stage
    getStage()
    Returns the current stage of the application.
    double
    getTextSize()
    Returns the current text size.
    int
    getWidth()
    Returns the width of the current window.
    boolean
    isDebug()
    Checks if the application is in debug mode.
    boolean
    isMouseDown()
     
    boolean
    isSetup()
     
    void
    keyEvent(processing.event.KeyEvent e)
    Handles keyboard events.
    void
    loadAssets()
    Loads assets from the specified directory.
    void
    mouseEvent(processing.event.MouseEvent e)
    Handles mouse events.
    void
    pauseSketch()
    Pauses the sketch.
    void
    redrawSketch()
    Forces a redraw, even if the sketch is paused.
    void
    removeStage(String name)
    Deprecated.
    since 4.0.0.
    void
    resumeSketch()
    Resumes the sketch.
    void
    runSketch()
     
    void
    setDebug(boolean debug)
    Enables or disables the debug mode for the application.
    void
    setStage(Stage stage)
    Sets the current stage of the application.
    void
    setTextureSampling(int mode)
     
    void
    settings()
    Use this method to call size().
    void
    setup()
    Sets up the application window.
    void
    switchStage(String name)
    Deprecated.
    since 4.0.0.
    void
    transitionToStage(Stage stage, int duration)
     

    Methods inherited from class processing.core.PApplet

    abs, abs, acos, alpha, ambient, ambient, ambient, ambientLight, ambientLight, append, append, append, append, append, append, applyMatrix, applyMatrix, applyMatrix, applyMatrix, applyMatrix, arc, arc, arraycopy, arraycopy, arraycopy, arrayCopy, arrayCopy, arrayCopy, asin, atan, atan2, attrib, attrib, attrib, attribColor, attribNormal, attribPosition, background, background, background, background, background, background, background, beginCamera, beginContour, beginPGL, beginRaw, beginRaw, beginRecord, beginRecord, beginShape, beginShape, bezier, bezier, bezierDetail, bezierPoint, bezierTangent, bezierVertex, bezierVertex, binary, binary, binary, binary, blend, blend, blendColor, blendMode, blue, box, box, brightness, calcSketchPath, camera, camera, ceil, checkAlpha, checkExtension, choice, choice, circle, clear, clip, color, color, color, color, color, color, color, color, colorMode, colorMode, colorMode, colorMode, concat, concat, concat, concat, concat, concat, concat, constrain, constrain, copy, copy, copy, cos, createFont, createFont, createFont, createGraphics, createGraphics, createGraphics, createImage, createInput, createInput, createInputRaw, createOutput, createOutput, createPath, createPath, createPrimaryGraphics, createReader, createReader, createReader, createShape, createShape, createShape, createWriter, createWriter, createWriter, cursor, cursor, cursor, cursor, curve, curve, curveDetail, curvePoint, curveTangent, curveTightness, curveVertex, curveVertex, dataFile, dataPath, day, debug, degrees, delay, dequeueEvents, desktopFile, desktopPath, die, die, directionalLight, displayDensity, displayDensity, dispose, dist, dist, edge, ellipse, ellipseMode, emissive, emissive, emissive, endCamera, endContour, endPGL, endRaw, endRecord, endShape, endShape, exec, exec, exit, exitActual, exitCalled, exp, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, fill, fill, fill, fill, fill, fill, filter, filter, filter, floor, flush, focusGained, focusLost, frameMoved, frameRate, frustum, fullScreen, fullScreen, fullScreen, fullScreen, get, get, get, getExtension, getGraphics, getMatrix, getMatrix, getMatrix, getSurface, green, handleDraw, handleKeyEvent, handleMethods, handleMouseEvent, hex, hex, hex, hex, hideMenuBar, hint, hour, hue, image, image, image, imageMode, initSurface, insertFrame, isLooping, join, join, keyPressed, keyPressed, keyReleased, keyReleased, keyTyped, keyTyped, launch, lerp, lerpColor, lerpColor, lightFalloff, lights, lightSpecular, line, line, link, listFiles, listFiles, listPaths, loadBytes, loadBytes, loadBytes, loadFont, loadImage, loadImage, loadJSONArray, loadJSONArray, loadJSONObject, loadJSONObject, loadPixels, loadShader, loadShader, loadShape, loadShape, loadStrings, loadStrings, loadStrings, loadStrings, loadTable, loadTable, loadXML, loadXML, log, loop, mag, mag, main, main, main, main, makeGraphics, map, mask, match, matchAll, max, max, max, max, max, max, method, millis, min, min, min, min, min, min, minute, modelX, modelY, modelZ, month, mouseClicked, mouseClicked, mouseDragged, mouseDragged, mouseEntered, mouseEntered, mouseExited, mouseExited, mouseMoved, mouseMoved, mousePressed, mousePressed, mouseReleased, mouseReleased, mouseWheel, mouseWheel, nf, nf, nf, nf, nf, nf, nfc, nfc, nfc, nfc, nfp, nfp, nfp, nfp, nfs, nfs, nfs, nfs, noClip, noCursor, noFill, noise, noise, noise, noiseDetail, noiseDetail, noiseSeed, noLights, noLoop, norm, normal, noSmooth, noStroke, noTexture, noTint, orientation, ortho, ortho, ortho, parseBoolean, parseBoolean, parseBoolean, parseBoolean, parseByte, parseByte, parseByte, parseByte, parseByte, parseByte, parseByte, parseByte, parseChar, parseChar, parseChar, parseChar, parseFloat, parseFloat, parseFloat, parseFloat, parseFloat, parseFloat, parseFloat, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseJSONArray, parseJSONObject, parseXML, parseXML, pause, perspective, perspective, pixelDensity, point, point, pointLight, pop, popMatrix, popStyle, postEvent, postWindowMoved, postWindowResized, pow, print, print, print, print, print, print, print, print, print, printArray, printCamera, println, println, println, println, println, println, println, println, println, println, println, printMatrix, printProjection, printStackTrace, push, pushMatrix, pushStyle, quad, quadraticVertex, quadraticVertex, radians, random, random, randomGaussian, randomSeed, rect, rect, rect, rectMode, red, redraw, registerMethod, requestImage, requestImage, resetMatrix, resetShader, resetShader, resume, reverse, reverse, reverse, reverse, reverse, reverse, reverse, rotate, rotate, rotateX, rotateY, rotateZ, round, runSketch, runSketch, saturation, save, saveBytes, saveBytes, saveBytes, saveFile, saveFrame, saveFrame, saveJSONArray, saveJSONArray, saveJSONObject, saveJSONObject, savePath, saveStream, saveStream, saveStream, saveStream, saveStream, saveStrings, saveStrings, saveStrings, saveTable, saveTable, saveXML, saveXML, scale, scale, scale, screenX, screenX, screenY, screenY, screenZ, second, selectCallback, selectFolder, selectFolder, selectFolder, selectInput, selectInput, selectInput, selectOutput, selectOutput, selectOutput, set, set, setMatrix, setMatrix, setMatrix, setSize, shader, shader, shape, shape, shape, shapeMode, shearX, shearY, shell, shininess, shorten, shorten, shorten, shorten, shorten, shorten, shorten, showDepthWarning, showDepthWarningXYZ, showMethodWarning, showMissingWarning, showSurface, showVariationWarning, sin, size, size, size, sketchDisplay, sketchFile, sketchFullScreen, sketchHeight, sketchOutputPath, sketchOutputStream, sketchPath, sketchPath, sketchPixelDensity, sketchRenderer, sketchSmooth, sketchWidth, sketchWindowColor, smooth, smooth, sort, sort, sort, sort, sort, sort, sort, sort, sort, sort, specular, specular, specular, sphere, sphereDetail, sphereDetail, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, split, split, splitTokens, splitTokens, spotLight, sq, sqrt, square, start, startSurface, stop, str, str, str, str, str, str, str, str, str, str, stroke, stroke, stroke, stroke, stroke, stroke, strokeCap, strokeJoin, strokeWeight, style, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, tan, text, text, text, text, text, text, text, text, text, text, text, textAlign, textAlign, textAscent, textDescent, textFont, textFont, textLeading, textMode, textSize, texture, textureMode, textureWrap, textWidth, textWidth, textWidth, thread, tint, tint, tint, tint, tint, tint, translate, translate, triangle, trim, trim, unbinary, unhex, unregisterMethod, updatePixels, updatePixels, urlDecode, urlEncode, vertex, vertex, vertex, vertex, vertex, windowMove, windowMoved, windowRatio, windowResizable, windowResize, windowResized, windowTitle, year

    Methods inherited from class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • Applet

      public Applet(int width, int height, boolean fullscreen, String assets)
      Constructs an Applet with the specified width, height, fullscreen mode, and assets path.
      Parameters:
      width - the width of the window
      height - the height of the window
      fullscreen - whether the window should be fullscreen
      assets - the path to the assets directory

  • Method Details

    • getInstance

      public static Applet getInstance()
      Returns the instance of the application.
      Returns:
      the instance of the application

    • setDebug

      public void setDebug(boolean debug)
      Enables or disables the debug mode for the application.
      Parameters:
      debug - a boolean value where true enables debug mode and false disables it.

    • isDebug

      public boolean isDebug()
      Checks if the application is in debug mode.
      Returns:
      true if the application is in debug mode, false otherwise.

    • getWidth

      public int getWidth()
      Returns the width of the current window.
      Returns:
      the width of the window in pixels

    • getRenderWidth

      public int getRenderWidth()

    • getRenderHeight

      public int getRenderHeight()

    • getHeight

      public int getHeight()
      Returns the height of the current window.
      Returns:
      the height of the window in pixels

    • getTextSize

      public double getTextSize()
      Returns the current text size.
      Returns:
      the current text size

    • addStage

      @Deprecated(since="4.0.0") public void addStage(String name, Stage stage)
      Deprecated.
      since 4.0.0. Use setStage instead.
      Parameters:
      name - Name of the stage
      stage - A stage object

    • switchStage

      @Deprecated(since="4.0.0") public void switchStage(String name)
      Deprecated.
      since 4.0.0. Use setStage instead.
      Parameters:
      name - Name of the stage

    • removeStage

      @Deprecated(since="4.0.0") public void removeStage(String name)
      Deprecated.
      since 4.0.0. Use setStage instead.
      Parameters:
      name - Name of the stage

    • getStage

      public Stage getStage()
      Returns the current stage of the application.
      Returns:
      the current stage

    • setStage

      public void setStage(Stage stage)
      Sets the current stage of the application.
      Parameters:
      stage - the new stage to be set

    • transitionToStage

      public void transitionToStage(Stage stage, int duration)

    • settings

      public void settings()
      Use this method to call size().
      Overrides:
      settings in class processing.core.PApplet
      See Also:
      • PApplet.fullScreen()
      • PApplet.setup()
      • PApplet.size(int,int)
      • PApplet.smooth()

    • getDeltaTime

      public double getDeltaTime()
      Returns the time since the last frame in seconds.
      Returns:
      the time since the last frame in seconds

    • pauseSketch

      public void pauseSketch()
      Pauses the sketch.

    • resumeSketch

      public void resumeSketch()
      Resumes the sketch.

    • redrawSketch

      public void redrawSketch()
      Forces a redraw, even if the sketch is paused.

    • runSketch

      public void runSketch()
      Overrides:
      runSketch in class processing.core.PApplet

    • setup

      public void setup()
      Sets up the application window.
      Overrides:
      setup in class processing.core.PApplet

    • isSetup

      public boolean isSetup()

    • loadAssets

      public void loadAssets()
      Loads assets from the specified directory.

    • mouseEvent

      public void mouseEvent(processing.event.MouseEvent e)
      Handles mouse events.
      Parameters:
      e - the MouseEvent object

    • isMouseDown

      public boolean isMouseDown()

    • keyEvent

      public void keyEvent(processing.event.KeyEvent e)
      Handles keyboard events.
      Parameters:
      e - the KeyEvent object

    • getKeyCodePressed

      public AbstractMap<Integer,Boolean> getKeyCodePressed()

    • setTextureSampling

      public void setTextureSampling(int mode)

    • getPath

      public static String getPath(String path)

    • draw

      public void draw()
      Draws the application window.
      Overrides:
      draw in class processing.core.PApplet