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smooth-lighting triangles now pull lighting data correctly for each vertex

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This commit is contained in:
Aaron Griffith
2011-10-16 17:18:24 -04:00
parent b984185f0c
commit 2705a1efe8
5 changed files with 193 additions and 66 deletions
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5
overviewer_core/src/composite.c
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@@ -369,7 +369,7 @@ tint_with_mask(PyObject *dest, unsigned char sr, unsigned char sg,
* http://www.gidforums.com/t-20838.html )
*/
PyObject *
draw_triangle(PyObject *dest,
draw_triangle(PyObject *dest, int inclusive,
int x0, int y0,
unsigned char r0, unsigned char g0, unsigned char b0,
int x1, int y1,
@@ -433,7 +433,8 @@ draw_triangle(PyObject *dest,
beta = beta_norm * ((a20 * x) + (b20 * y) + c20);
gamma = gamma_norm * ((a01 * x) + (b01 * y) + c01);
if (alpha >= 0 && beta >= 0 && gamma >= 0) {
if (alpha >= 0 && beta >= 0 && gamma >= 0 &&
(inclusive || (alpha * beta * gamma > 0))) {
unsigned int r = alpha * r0 + beta * r1 + gamma * r2;
unsigned int g = alpha * g0 + beta * g1 + gamma * g2;
unsigned int b = alpha * b0 + beta * b1 + gamma * b2;