12/20/2023 0 Comments Phaser transparent rectangle![]() ![]() ![]() We will write the main game code one piece at a time so we can discuss each section. To install Phaser, copy from the downloaded Phaser ZIP file to …/Projects/Games/BallWorld/js. By letting Phaser control the div, we can more easily set the canvas to fill up the browser window. In this case, it holds the Phaser canvas, and by explicitly setting the margin and padding, we can later configure the canvas to fill up the browser window (as much as possible while still maintaining the original aspect ratio).Īdditionally, we change the page’s background color to black ( #000000 ), which works well for many games, as it mimics a black border or bezel.įinally, we removed the line as we want Phaser to just append its own div to the page. The body element contains all of the page’s main content. This explicitly sets the margin and padding of the body element to nothing. The name is often displayed in the tab on the browser. We change the title to Ball World , which simply updates the name of the page. There are a few difference between the HTML in this example and in the last part. Save it as index.html in …/Projects/Games/BallWorld. If you are feeling particularly lazy, you are welcome to save the sprite from this image: Creating great looking sprites, however, is its own art form. And that’s it! Creating a simple ball sprite is relatively easy. When prompted, keep the default options in the Export Image as PNG window.Ĭlick Export. Select File > Export As… Save the file as ball.png in …/ Projects/Games/BallWorld/img. This is a technique called antialiasing, which works to make the edges of an image look smoother. The circle will fill in with red, and you will notice that some of the pixels around the edge are semi-transparent. Click inside the selection circle in the main image window. set the HTML notation to ff0000).Ĭlick OK. In the Change Foreground Color window, choose the color red (e.g. In the Toolbox, select the Bucket Fill Tool.Ĭlick the color swatch at the bottom of the Toolbox to select a new color. From the Toolbox, click on the Ellipse Select Tool.īack in your image window, create a circle by dragging a region from one corner to the opposite corner. If you don’t see the Toolbox window, select Windows > Toolbox. Click on Advanced Options and set Fill with to Transparency.Ĭlick OK to create a new image. You will be presented with a new image dialog. Run the installer, accepting all the defaults. Head to GIMP’s download page and download the latest stable version for your operating system. In these tutorials, we will rely on the free GNU Image Manipulation Program (GIMP) to create sprites. There are plenty of ways to create 2D graphics for your game. This process should look familiar the only new thing is that we added an img directory, which is where we’ll store our image files. In that directory, create two more directories, js and img. In your Games directory, create a new folder named BallWorld. This can be on a computer with a keyboard or on an 8×7 LED array with a joystick. In the simplest sense, reading user input and moving an object (a filled circle, in this case) shows that real time interactivity is possible. Why a ball? I consider it to be a test of whether gaming is possible on a particular platform. In this part, we create a simple sprite (a ball) and move it around the canvas. In the last part, we added the Phaser framework to a web page and said “hello” on a canvas element. ![]()
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