Relative Angles, Lua

Relative Angles

local cast_hits = {
    {
        point = {x=2,y=0,z=2},
        normal = {x=1,0,0},
        distance = 4,
        hit_object = {
        	guid = "001"
        },
    },
    {
        point = {x=-2,y=0,z=2},
        normal = {x=1,0,0},
        distance = 4,
        hit_object = {
        	guid = "002"
        },
    },
    {
        point = {x=-1,y=0,z=-4},
        normal = {x=1,0,0},
        distance = 4,
        hit_object = {
        	guid = "003"
        },
    },
}
local cast_results = {}
local range = 10
local fov   = 120

local heading = 315

local mypos = {
	x = 0,
	y = 0,
	z = 0
}
local myrot = {
	x = 0,
	y = 0,
	z = 0,
}

--auto worky
local h_fov = fov/2
local max_angle = myrot.y + heading + h_fov
local min_angle = myrot.y + heading - h_fov
print("Checking for targets within "..h_fov.." of "..heading)
print("Min angle "..min_angle)
print("Max angle "..max_angle)

-- add results to table
for k,v in pairs(cast_hits) do
	if v or v ~= '' then
		--check within range
		if v.distance <= range then
			local target_heading = math.deg(math.atan2(v.point.x - mypos.x, v.point.z - mypos.z))
			--target_heading = target_heading + 360
			print("Found target "..v.hit_object.guid.." at "..target_heading)
            if target_heading <= max_angle and target_heading >= min_angle then
                table.insert(cast_results, {v.hit_object.guid, target_heading, v.distance})
            end
		end
	end
end

print("Printing refined results: ")
for k,v in pairs(cast_results) do
	print("Found object: "..v[1].." at "..v[2]..", "..v[3])
end


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