My problem is how to animate the drawing of a path between two points.  Consider a curved line or path between two points, A & B. I can draw this easily on the canvas using the line drawing functions in Konvajs.   However, what I actually want is...
There is a great tutorial Selecting Multiple Objects with KineticJS that teaches you how to create a selection box in HTML Canvas in order to select multiple objects, but the author Michelle Higgins wrote his code to select object that embraced by th...
I've spent hours googling about Kinetic.Layer.draw() method. All that I've found is use-cases - no documentation about how, when and why to use it. Maybe it's deprecated already?  These are primary links which I use while learning and pla...
I want to draw a line on a canvas with  context.globalCompositeOperation = 'destination-out'; context.globalAlpha = 0.118;   The result looks like this:     The background if the image is a yellow rectangle. I use a circle to drag and drop it...
I'm using Konva JS in my project. I'm adding a shape on a button click which is draggable. On click of the shape i need to get X and Y positions of the shape. getX and getY functions are returning the original X and Y. How can I update the X...
I am using Konva.js framework and trying to apply an image mask over an other one. The code is fully copied from this post. In this jsfiddle example there is small modifications to add a background (Rect).  The problem is that the background is not p...
I have been using Konva for drawing, I would like the arrow to "snap" to the other groups or shapes when the tip of the arrow intersects them and the user lets up on the mouse. If the arrow does not interset one then it should automatically d...
I have an HTML5 Canvas. I am using the KineticJS(KonvaJS) canvas library. On a blank canvas I dram an image as shown in the figure below. Now I want to create a circle Shape which can be used to erase parts of the image. The red circle in the image i...
im creating a boardgame, with a hexagon shaped tilebased map. i used konva to create the hexagons/polygons. the way i went about it was to just create a variable for each polygon, but this ended up as a 1000+ lines of code (as the map has about 50 he...
I'm using the [email protected] library (with [email protected] and react-konva) to build a simple 2D game.   When testing the app in Chrome all is well. However, when I open Dev Tools and switch to the Device Toolbar (to view the app on mobile-sized vie...

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