how to make a computer program from scratch

Then find the averages of the R, G, and B values and convert the result back to HSB.Ĭolors can also be mixed with sprites. First, convert the color and shade to RGB. There are two methods.ĭirect Mixing See also: wikipedia:HSL and HSV#To RGBĭirect color mixing needs some math, but it allows direct mixing of pen colors. In Scratch projects, it is often necessary to mix two colors, often if a gradient needs to be drawn or if it is needed for a paint program feature. Saturation indicates how vibrant a color is a saturation of 0% means gray while 100% means as vibrant as possible. Brightness is how bright a color appears. To convert real HSB/HSV hue to Scratch pen block hue, divide by 3.6. Note that while normal HSB/HSV color has a hue range of 0 - 360, Scratch's pen blocks use a hue range of 0 - 100. Hue is usually represented by a position on a color wheel. Hue is what Scratch calls 'color': red, orange, yellow, green, blue, indigo, violet, and everything in between are hues. These stand for 'Hue, Saturation, and Brightness/Value'. HSB/HSV colors are what Scratch uses for its Pen blocks.

How to make a computer program from scratch