In this blog I will describe how to make a simple castle wall with towers. For this I used Illustrator but other drawing programs should work. I set snap to grid. I first made a simple black rectangle as a drawing surface. I drew another rectangle on top of that and made the lines 4 points and gray. I copied this rectangle and made a duplicate of it colored a lighter shade of gray. I made this line dashed by going into stroke->show options then changing it to a dashed line. I chose the circle shape tool by holding down the square shape tool until it changed to show the options, then chose circle. I chose the radial gradient pattern then went into edit the gradient. I clicked on the black square controlling the gradient and changed the color to gray. The white side I left white. I then created four gradient filled circles at the corners of the dashed rectangle:
Resulting in the following gray scale image:
Which becomes the following when rendered:
global_settings {max_trace_level 5 ambient_light rgb 1.5 }
background {rgb <1,1,1>}
camera {orthographic location <0,20,-20> look_at <0,0,0> angle 40}
light_source {<80,100,40> rgb .5 }
light_source {<20,200,20> rgb .8 }
height_field {
png "castle.png"
//smooth
translate <-.5,0,-.5>
pigment {
gradient y //this is the PATTERN_TYPE
color_map {
[0.0 color <.4,.3,.0>]
[0.5 color <.5,.4,.6>]
[0.9 color <.8,.1,.0>]
} }
scale <17, 2, 17>
finish {roughness .1 specular .5 ambient .2}
}
plane { y, -1.0 texture {pigment {color rgb <.7,.55,.4>}} translate <0,1.02,0>}
With a bit of tweaking you can get a more complex structure, I also added in some random houses from my previous blog:
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