This value also mixes with the sun color. _color #: This is the ambient color value.(Isnt it obvious?) Use the same method for _color as for the suncolor to get the ambient color.If you go too high the map tends to look flat. I usually use ambient to set what I want the darkest dark to be. ambient #: This is the amount of ambient light added to the scene.Bump and spec values are about 30% intensity. Indirect light is anything that is not in direct sunlight. You can pick the rgb values you want and then divide that number by 255 to get the value that fits in the 0-1 range. Radiant uses a range from 0-1 instead of 0-255. suncolor #: there are 3 values to set for suncolor.sunlight #: The brightness of the sun light.The third is the axis through the light and therefore usless. The first number is the north south axis. Sundirection #: The axis are based on world space not local to the light.This is where most of the normal and specualar values can be seen. You can input them manually or just copy and paste from another map to get started.ĭirect light is basically anything that is in a direct sunlight. The other (preferred by me) way is to open the map in a text editor and change the values that you find at the top of the page.īy default, the lighting settings are empty. You can access the worldspawn settings and input values into the key and value boxes. After opening a map in radiant, press the “n” key. There are two ways to edit worldspawn settings. This is where you set the overall look for your map lighting.

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