lookAtWorld

look at function with two points and an up vector, returns the world matrix (inverted camera position and rotation matrix)

auto lookAtWorld(vec3 eye, vec3 target = vec3(0), vec3 up = vec3(0, 1, 0))
auto
lookAtWorld
(
vec3 eye
,
vec3 target = vec3(0)
,
vec3 up = vec3(0, 1, 0)
)
auto lookAtWorld(float ex, float ey, float ez, float tx = 0, float ty = 0, float tz = 0, float ux = 0, float uy = 1, float uz = 0)

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dlsl trackball functions