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Made CTerrain::getSlopeAngleFace even more "continous" at places where the slope changes rapidly (before, it only checked elevation forward and right, now it also looks left and up).

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This was SVN commit r4340.
This commit is contained in:
Matei 2006-09-16 20:16:42 +00:00
parent 0baca62d61
commit 04b9809e0b
1 changed files with 4 additions and 5 deletions
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9
source/graphics/Terrain.cpp
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@ -217,17 +217,16 @@ CVector2D CTerrain::getSlopeAngleFace( CEntity* entity ) const
const float D = 0.1f; // Amount to look forward to calculate the slope
float x = entity->m_position.X;
float z = entity->m_position.Z;
float y = getExactGroundLevel(x, z);
// Get forward slope and use it as the x angle
CVector2D d = entity->m_ahead.normalize() * D;
float dy = getExactGroundLevel(x+d.x, z+d.y) - y;
ret.x = atan2(dy, D);
float dy = getExactGroundLevel(x+d.x, z+d.y) - getExactGroundLevel(x-d.x, z-d.y);
ret.x = atan2(dy, 2*D);
// Get sideways slope and use it as the y angle
CVector2D d2(-d.y, d.x);
float dy2 = getExactGroundLevel(x+d2.x, z+d2.y) - y;
ret.y = atan2(dy2, D);
float dy2 = getExactGroundLevel(x+d2.x, z+d2.y) - getExactGroundLevel(x-d2.x, z-d2.y);
ret.y = atan2(dy2, 2*D);
return ret;
}