[edit]
Code:
--------------<Aim>-------------- plane 1
^
|
| (me_aim vector)
|
|
--------------<Me>-------------- plane 2
you can imagine this like two planes which have me_aim as normal vector. this stock only returns positive values if victim is between them. no need to check for visibility i guess..
Code:
stock get_distance_to_line(Float:pos_start[3], Float:pos_end[3], Float:pos_object[3])
{
new Float:vec_start_end[3], Float:vec_start_object[3], Float:vec_end_object[3], Float:vec_end_start[3]
xs_vec_sub(pos_end, pos_start, vec_start_end) // vector from start to end
xs_vec_sub(pos_object, pos_start, vec_start_object) // vector from end to object
xs_vec_sub(pos_start, pos_end, vec_end_start) // vector from end to start
xs_vec_sub(pos_end, pos_object, vec_end_object) // vector object to end
new Float:len_start_object = getVecLen(vec_start_object)
new Float:angle_start = floatacos(xs_vec_dot(vec_start_end, vec_start_object) / (getVecLen(vec_start_end) * len_start_object), degrees)
new Float:angle_end = floatacos(xs_vec_dot(vec_end_start, vec_end_object) / (getVecLen(vec_end_start) * getVecLen(vec_end_object)), degrees)
if(angle_start <= 90.0 && angle_end <= 90.0)
return floatround(len_start_object * floatsin(angle_start, degrees))
return -1
}
it checks if alpha and beta are <=90 degrees if c is victim. if one of them is larger then we are outside the planes.
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