Module caper::utils

Utility functions and macros

Functions

build_fp_view_matrix	Returns the model view matrix for a first person view given cam position and rotation
build_persp_proj_mat	Returns perspective projection matrix given fov, aspect ratio, z near and far
calc_normal	returns the normal calculated from the three vectors supplied
create_skydome	Returns a RenderItem for the skydome
crossp	returns the cross product of two vectors
dotp	Returns the dot product of two vectors
frustrum_test	Test whether an object is in the view frustrum
get_frustum_planes	Helper function that converts viewing matrix into frustum planes
handle_fp_inputs	This method is where data transforms take place due to inputs for a first person camera
load_wavefront	Returns a Vec that should be converted to buffer and rendered as TrianglesList.
mul_mat4	returns the two matrices multiplied together
sub_vec3	returns the resultant vector of a - b
to_euler	returns a quaternion from a euler angle
to_quaternion	returns a euler angle as a quaternion