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Tag Archives: JavaScript
To Do List Project: Part 1
Today I worked out a lot of the JavaScript that might be needed to effect the screen changes I want to have happen as various buttons are pushed. A To Do item against which no time has been expended would … Continue reading
A Simple Discrete-Event Simulation: Part 88
Direct link for mobile devices. Today I updated the code to define DisplayGroups for all non-Path components, which means the internal data for each component will become visible when the relevant component is clicked. Moreover, each visible DisplayGroup object can … Continue reading
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Tagged discrete-event sim project, drag items, JavaScript, mouse events, select items, touch events
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A Simple Discrete-Event Simulation: Part 87
Today I connected the display of the DisplayGroup objects to the component selection event. That is, if you click on a component it brings up that component’s DisplayGroup object. This process involves several steps. First, the location on the canvas … Continue reading
A Simple Discrete-Event Simulation: Part 86
I was working to add the next behavior when I discovered that things that used to work no longer did. After a bit of digging I realized that the problem was trying to handle click events separately from mouseup and … Continue reading
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Tagged discrete-event sim project, JavaScript, mouse events, touch events
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A Simple Discrete-Event Simulation: Part 85
Direct link for mobile devices. Today I made the selection action work using touch events in addition to the mouse click event. The touch mechanism in JavaScript for mobile browsers does not current have a click counterpart so we have … Continue reading
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Tagged discrete-event sim project, JavaScript, mouse events, select items, touch events
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A Simple Discrete-Event Simulation: Part 84
Today I implemented the ability to select graphic elements using a mouse click. This involves sensing the mouse click event and its location, variations of which we’ve already visited, and identifying the graphic element on that part of the screen. … Continue reading
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Tagged discrete-event sim project, JavaScript, mouse events, select items
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A Simple Discrete-Event Simulation: Part 83
Direct link for mobile devices. Now that I have the chance to return to the Discrete-Event Simulation project the next item to work on is touch events. I had already implemented the ability to scroll the 2D display horizontally and … Continue reading
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Tagged discrete-event sim project, JavaScript, mobile devices, touch events
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WebGL: Incorporating Device Orientation
At last night’s DCJS Meetup (specifically Sean’s talk referencing this) I learned that a means of reading the 3D orientation of a device has been readily available for some time. Descriptions were not hard to find. Setting up the listener … Continue reading