// Desc: Several GearHead mecha battling it out in a city setting.
// Auth: Michael Horvath
// Home Page: http://www.geocities.com/Area51/Quadrant/3864/gearhead.htm
// This file is licensed under the terms of the CC-LGPL.
// Dependencies:
// 1. CITY GENERATOR INCLUDE FILE by Chris Colefax
// 2. Rune's particle system

//+KFI0 +KFF5 +KC +KI0 +KF0
//+KFI5 +KFF5 +KC
//+K0 +KC

#include "math.inc"

#declare Camera_Mode		= 2;				// 0 to 8; 0 = orthographic; 1 = oblique; 2 = perspective
#declare Camera_Diagonal	= cosd(45);
#declare Camera_Vertical	= 0;				//22.5;
#declare Camera_Horizontal	= 0;				//30;
#declare Camera_Scale		= 1;
#declare Camera_Aspect		= image_height/image_width;
#declare Camera_Distance	= 16;
#declare Camera_Translate	= <0,0,0,>;			//<0,0,-city_size_total.y,>


//------------------------------------------------------------------------------Global settings

//default {finish {ambient 0 diffuse 1}}
//default {finish {ambient 0.1 diffuse 0.6}}
//default {finish {ambient 0.4 diffuse 0.7}}
/*
global_settings
{
	ambient_light	0
	radiosity
	{
		always_sample	off
		brightness	0.5
		recursion_limit	1
		count		100
		error_bound	0.5
	}
//	max_trace_level 2
}
*/

//------------------------------------------------------------------------------Camera

#declare Camera_Up		= +y * Camera_Diagonal * 16 * Camera_Aspect;
#declare Camera_Right		= +x * Camera_Diagonal * 16;
#declare Camera_Location	= -z * Camera_Distance;
#declare Camera_Direction	= +z;
#declare Camera_LookAt		= Camera_Location + Camera_Direction;
#declare Camera_Rotate		= <Camera_Horizontal,Camera_Vertical,0,>;
camera
{
	orthographic
	up		Camera_Up
	right		Camera_Right
	location	Camera_Location
	direction	Camera_Direction
	rotate		Camera_Rotate
	translate	Camera_Translate
	scale		4
}
#declare Camera_Location	= Camera_Translate + vrotate(Camera_Location,Camera_Rotate);
#declare Camera_LookAt		= Camera_Translate + vrotate(Camera_LookAt,Camera_Rotate);


//------------------------------------------------------------------------------Lights

light_source
{
	<-5000, 14000, -15000>
	color rgb <1.0, 0.9, 0.78>*2.3
}


//------------------------------------------------------------------------------Sky

sphere
{
	0, 100000
	pigment
	{
		color rgb < 0.5, 0.6, 1.0 >
	}
}


//------------------------------------------------------------------------------CSG

sphere
{
	0, 4
	translate z * 64
}

cylinder
{
	y * -128, y * +128, 4
	hollow
	pigment {rgbt <1,1,1,1,>}
	interior
	{
		media
		{
			emission 1000
		}
	}
	translate z * 32
}

difference
{
	cylinder
	{
		-z, +z, 16
	}
	cylinder
	{
		-z*2, +z*2, 12
	}
	translate z * 16
}