Working with digital color
We have seen how to specify the window background color and the world light color. For all the 2D and 3D graphics, we can also individually specify the color information with RGB values. The coming example will show us how to specify color for the primitives.
Create an empty patch and save it with name gem004.pd in your folder. Put the gemwin object, create and destroy messages, and the toggle box for rendering. In addition, put a gemhead object with a sphere object.
Between the gemhead and the sphere objects, insert a color object. For color specification, it will be a message of three numbers: red, green, and blue. Clicking on the message will change the color of the sphere:
We can also use another object colorRGB to specify color for the graphical shapes. It requires three (RGB) to four (RGB and alpha) number boxes to specify the color. Remember that each number ranges from 0 to 1. If you press the Shift key and click-and-drag a number box upward or downward, you...
