Brian Radojcic wrote:
Hi all,
I am working on the spot lights and I have a problem with the following:
Does anybody know what is the direction parameter for the spot light ie:
glLightfv(m_light, GL_SPOT_DIRECTION, ????)
directly from OpenGL docs:
GL_SPOT_DIRECTION
params contains three integer or
floating-point values that specify the direction of
the light in homogeneous object coordinates.
Both integer and floating-point values are mapped directly.
Neither integer nor floating-point values
are clamped.
The spot direction is transformed by the
inverse of the modelview matrix when glLight is called (just as if it
were a normal), and it is stored in eye
coordinates. It is significant only when
GL_SPOT_CUTOFF is not 180, which it is
initially. The initial direction is (0, 0, -1).
greets
Rafał
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