GRAPHICS PRIMITIVES: COLOR AT POINT

This example will use the POINT function to retrieve the color at the given position on the screen.

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SOURCE CODE ()

    BITMAP ENABLE(16)

    CLS

    PLOT 0, 0, WHITE
    PLOT 1, 1, WHITE
    PLOT 2, 2, WHITE
    PLOT 3, 3, WHITE

    c1 = POINT(0,0)
    c2 = POINT(1,1)
    c3 = POINT(2,2)
    c4 = POINT(3,3)

    IF ( c1 = WHITE ) AND ( c2 = WHITE ) AND ( c3 = WHITE ) AND ( c4 = WHITE ) THEN
        PRINT "OK!"
    ELSE
        PRINT "KO!"
        PRINT HEX(c1)
        PRINT HEX(c2)
        PRINT HEX(c3)
        PRINT HEX(c4)
    ENDIF

How to compile and run the example

The instructions here refer to compiling the example from the command line. For Microsoft Windows users we suggest using UGBASIC-IDE, which allows you to download and compile each single example with just one click.

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