The 2048 Game tutorial shows
text("0", cellSize * 0.5, Colors.WHITE, font) {
setTextBounds(Rectangle(0.0, 0.0, bgScore.width, cellSize - 24.0))
format = format.copy(align = Html.Alignment.MIDDLE_CENTER) // there is an error
centerXOn(bgScore)
alignTopToTopOf(bgScore, 12.0)
}
I use android studio 4.1 and Korge plugin 1.12.2.2. The IDE shows: Unresolved reference.
I change this line to
setFormat(align = TextAlignment.MIDDLE_CENTER)
The error of IDE disappear, but the text don't show either.
How to fix it, and set the text in the middle of the object of bgScore
Thanks a lot
The korge in new version
text("0", cellSize * 0.5, Colors.WHITE, font) {
setTextBounds(Rectangle(0.0, 0.0, bgScore.width, cellSize - 24.0))
// format = format.copy(align = Html.Alignment.MIDDLE_CENTER) // there is an error
alignment = TextAlignment.MIDDLE_CENTER // it works in version korGE 2.0
centerXOn(bgScore)
alignTopToTopOf(bgScore, 12.0)
}
Related
According to WWDC 2017, motionBlurIntensity was added as a property to SCNCamera. I've tried the following and failed to get SceneKit to blur my scene when the camera is moved:
Set wantsHDR to true
Add SCNDisableWideGamut as a Boolean with the value of YES in every Info.plist in my Xcode project
Move a SCNBox by changing its SCNNode's position in front of the camera with motionBlurIntensity set to 1.0
Move the camera itself by changing its SCNNode's position with motionBlurIntensity set to 1.0
Animate the camera using an SCNTransaction with motionBlurIntensity set to 1.0 instead of changing its position each frame
Do the above with motionBlurIntensity set to 500 or greater
I run the following code every rendered frame like so:
camNode.position = SCNVector3Make(cx, cy, cz);
camNode.eulerAngles = SCNVector3Make(rotx, roty, rotz);
camNode.camera.wantsDepthOfField = enableDOF;
camNode.camera.wantsHDR = enableHDR;
camNode.camera.zNear = camNearVal;
camNode.camera.zFar = camFarVal;
camNode.camera.focalLength = camFocalLength;
camNode.camera.usesOrthographicProjection = usingOrthoProjection;
if(!usingOrthoProjection)
{
camNode.camera.projectionTransform = SCNMatrix4FromGLKMatrix4(GLKMatrix4MakeWithArray(projection));
}
else
{
// Ortho options
camNode.camera.orthographicScale = orthoScale;
if(cam_projectionDir == 1)
camNode.camera.projectionDirection = SCNCameraProjectionDirectionHorizontal;
else
camNode.camera.projectionDirection = SCNCameraProjectionDirectionVertical;
}
// DOF
camNode.camera.sensorHeight = dof_sensorHeight;
camNode.camera.focusDistance = dof_focusDistance;
camNode.camera.fStop = dof_fStop;
camNode.camera.apertureBladeCount = dof_apertureBladeCount;
camNode.camera.focalBlurSampleCount = dof_focalBlurSampleCount;
// Motion blur
camNode.camera.motionBlurIntensity = motionBlurIntensity;
And here is where the SCNRenderer sets its pointOfView to the camera:
mainRenderer.scene = mainScene;
mainRenderer.pointOfView = camNode;
id<MTLCommandBuffer> myCommandBuffer = [_commandQueue commandBuffer];
[mainRenderer updateAtTime: currentFrame];
[mainRenderer renderWithViewport:CGRectMake(0,0,(CGFloat)_viewWidth, (CGFloat)_viewHeight) commandBuffer:myCommandBuffer passDescriptor:_renderPassDescriptor];
[myCommandBuffer commit];
HDR effects like Bloom and SSAO work properly, just not motion blur.
I'm using Xcode Version 10.1 on macOS Mojave.
I ran the Badger sample app and the motion blur in that project works on my computer.
Am I missing something here? Any insight would be greatly appreciated.
The default value of a motionBlurIntensity property is 0.0. It results in no motion blur effect. Higher values (toward a maximum of 1.0) create more pronounced motion blur effects. Motion blur is not supported when wide-gamut color rendering is enabled. Wide-gamut rendering is enabled by default on supported devices; to opt out, set the SCNDisableWideGamut key in your app's Info.plist file.
Test it with my code:
let cameraNode1 = SCNNode()
cameraNode1.camera = SCNCamera()
cameraNode1.camera?.motionBlurIntensity = 3 // MOTION BLUR
scene.rootNode.addChildNode(cameraNode1)
let move = CABasicAnimation(keyPath: "translation")
move.fromValue = NSValue(scnVector3: SCNVector3(x: 7, y: -5, z: 0))
move.toValue = NSValue(scnVector3: SCNVector3(x: 7, y: 5, z: 0))
move.duration = 0.5
move.repeatCount = 20
move.autoreverses = true
move.repeatCount = .infinity
let sphereNode1 = SCNNode()
sphereNode1.geometry = SCNSphere(radius: 2)
sphereNode1.addAnimation(move, forKey: "back and forth")
scene.rootNode.addChildNode(sphereNode1)
Works perfectly.
Here with the code to create a pdf file for flutter. I am using plugin pdf 1.0.6.
My questions:
How to create a pdf file width 75mm with auto height to fit the
content?
How to create multi lines of text with different font size?
PDFDocument _generateDocument() {
final pdf = new PDFDocument(deflate: zlib.encode);
final page = new PDFPage(pdf, pageFormat: PDFPageFormat.A4);
final g = page.getGraphics();
final font = new PDFFont(pdf);
final top = page.pageFormat.height;
g.setColor(new PDFColor(0.0, 1.0, 1.0));
g.drawRect(50.0 * PDFPageFormat.MM, top - 80.0 * PDFPageFormat.MM,
100.0 * PDFPageFormat.MM, 50.0 * PDFPageFormat.MM);
g.fillPath();
g.setColor(new PDFColor(0.3, 0.3, 0.3));
g.drawString(font, 12.0, "Hello World!", 10.0 * PDFPageFormat.MM,
top - 10.0 * PDFPageFormat.MM);
return pdf;
}
I recommend you to update to the latest version pdf: ^1.4. as a lot has changed on how to build a pdf.
For the format size I would try PdfPageFormat.undefined or in your case PdfPageFormat(75, double.infinity)
https://github.com/DavBfr/dart_pdf/blob/78232de1f962ea04c7e950d0f737417a35863071/pdf/lib/src/page_format.dart#L49
For the multiline with different size I would use the new way of creating a pdf that uses widgets. See the example:
https://github.com/DavBfr/dart_pdf/blob/master/pdf/example/main.dart
As simple as
pdf.addPage(Page(
pageFormat: PdfPageFormat.a4,
build: (Context context) {
return Center(
child: Text('Hello World', style: TextStyle(fontSize: 40)),
); // Center
})); // Page
Trying to display a dashed line with KineticJS (v4.7.3). It works fine in Chrome, but in IE (v10), a normal solid line is displayed.
Here's the code:
var element = document.getElementById('target'),
stage = new Kinetic.Stage({
container: element,
width: element.offsetWidth,
height: element.offsetHeight
}),
layer = new Kinetic.Layer();
layer.add(new Kinetic.Line({
points: [10, 10, 190, 190],
stroke: 'black',
strokeWidth: 1,
dashArray: [5, 4]
}));
stage.add(layer);
And you can see the behavior for yourself in here.
Fixed in IE-11 !
Until all "bad" IE's die, you can "do-it-yourself" fairly easily for lines (less easily for curves).
You can use a custom Kinetic.Shape which gives you access to a canvas context (a wrapped context).
Code is taken from this SO post: dotted stroke in <canvas>
var CP = window.CanvasRenderingContext2D && CanvasRenderingContext2D.prototype;
if (CP && CP.lineTo){
CP.dashedLine = function(x,y,x2,y2,dashArray){
if (!dashArray) dashArray=[10,5];
if (dashLength==0) dashLength = 0.001; // Hack for Safari
var dashCount = dashArray.length;
this.moveTo(x, y);
var dx = (x2-x), dy = (y2-y);
var slope = dx ? dy/dx : 1e15;
var distRemaining = Math.sqrt( dx*dx + dy*dy );
var dashIndex=0, draw=true;
while (distRemaining>=0.1){
var dashLength = dashArray[dashIndex++%dashCount];
if (dashLength > distRemaining) dashLength = distRemaining;
var xStep = Math.sqrt( dashLength*dashLength / (1 + slope*slope) );
if (dx<0) xStep = -xStep;
x += xStep
y += slope*xStep;
this[draw ? 'lineTo' : 'moveTo'](x,y);
distRemaining -= dashLength;
draw = !draw;
}
}
}
Totally off-topic: Go Wisconsin! I spent many a great summer at my grandmothers house in
Lacrosse.
Short answer: Not supported.
Via a thread here, the creator of KineticJS addresses this issue:
"[T]he dashArray property now uses the browser-implemented dashArray
property of the canvas context, according to the w3c spec. Firefox is
a little behind at the moment."
If you follow the thread, you'll discover that this was an issue for Firefox at one point, too, but that has been resolved. However, support for IE should apparently not be expected any time soon.
I am well aware that google offers as part of their chart api dynamic marker icons for google maps here:
https://developers.google.com/chart/image/docs/gallery/dynamic_icons
There is just only one small problem, the whole API seems to be deprecated. Plus I would really like to have more variety because not all of the icons offer the same flexibility.
So I found this webpage:
http://mapicons.nicolasmollet.com/numbers-letters/numbers/?style=classic
The icons look nice but they are not dynamic and well my client doesn't seem to like em. So is there a differenct webpage or some other sort of service which offers neat dynamic icons?
Doesn't have to be for google maps. Can be for any purpose just be suitable for maps as well :-)
Thank you in advance!
OK, I did a project some time ago that does exactly this but its independent of google maps, even though I used it to create dynamic map markers. Here is the whole php function:
<?php
function createImage($number, $color) {
$blank = "/var/www/rbc/dashboard/images/".$color."-0.png";
//$image = #imagecreatefrompng($blank);
$image = LoadPNG($blank);
// pick color for the text
$fontcolor = imagecolorallocate($image, 255, 255, 255);
$font = 2;
$fontsize = 8;
$width = imagefontwidth($font) * strlen($number) ;
$height = imagefontheight($font) ;
$x = (imagesx($image) - $width) / 2;
$y = 5;
//white background
$backgroundColor = imagecolorallocate ($image, 255, 255, 255);
//white text
$textColor = imagecolorallocate($image, 255, 255, 255);
// preserves the transparency
imagesavealpha($image, true);
imagealphablending($image, false);
imagestring($image, $font, $x, $y, $number, $textColor);
// tell the browser that the content is an image
header('Content-type: image/png');
// output image to the browser
imagepng($image);
// delete the image resource
imagedestroy($image);
}
function LoadPNG($imgname) {
/* Attempt to open */
$im = imagecreatefrompng($imgname);
/* See if it failed */
if(!$im) {
/* Create a blank image */
$im = imagecreatetruecolor(150, 30);
$bgc = imagecolorallocate($im, 255, 255, 255);
$tc = imagecolorallocate($im, 0, 0, 0);
imagefilledrectangle($im, 0, 0, 150, 30, $bgc);
/* Output an error message */
imagestring($im, 1, 5, 5, 'Error loading ' . $imgname, $tc);
}
return $im;
}
if(!isset($_GET['color'])) {
$_GET['color'] = "blue";
}
if(!isset($_GET['number'])) {
$_GET['number'] = "99";
}
createImage($_GET['number'], $_GET['color']);
?>
which you show with <img src="image.php?color=red&number=2" />
HTH
I'm using dojo toolkit. (version 1.6)
I'm unable to stop the fading effect at certain opacity (say 0.5)
Here is the code I'm using
var fadeArgs = {node: "disabled_div", duration: 3000};
dojo.style("disabled_div", "opacity", "0");
dojo.fadeIn(fadeArgs).play();
But the above code is fading the element's opacity from 0 to 1.
My requirement is to stop fading effect at 0.5 opacity.
Please help me out
Thanks in advance!
SuryaPavan
you may try like this:
var w = dojo.animateProperty({
node:"disabled_div",
duration: 3000,
properties: {
opacity: 0
},
onAnimate:function(a){
if(a.opacity <= .5)
w.stop();
}
})
OR
dojo.style("disabled_div", "opacity", "1");
var fadeArgs = {node: "disabled_div", duration: 3000,onAnimate:function(o){
if(o.opacity <= .5){
anim.stop()
}
}};
anim = dojo.fadeOut(fadeArgs);
anim.play();
You could use fadeTo from the DojoX extensions