X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fyoink;a=blobdiff_plain;f=src%2FMoof%2FAabb.cc;h=c844251b1d0551b2fcf9c94a8ddf2929c11baf6e;hp=7b2ada7ba7f7f5b6704adf59af8e9962bd64d9aa;hb=72d4af22710317acffab861421c4364b1780b6fe;hpb=29e3d45f7bbbf31eadf793c41ff2b3d9c47b7539

diff --git a/src/Moof/Aabb.cc b/src/Moof/Aabb.cc
index 7b2ada7..c844251 100644
--- a/src/Moof/Aabb.cc
+++ b/src/Moof/Aabb.cc
@@ -27,11 +27,84 @@
 *******************************************************************************/
 
 #include <Moof/Aabb.hh>
+#include <Moof/Camera.hh>
+#include <Moof/OpenGL.hh>
+#include <Moof/Texture.hh>
 
 
 namespace Mf {
 
 
+void Aabb::getOctant(Aabb& octant, int num) const
+{
+	Vector3 mid = getCenter();
+
+	switch (num)
+	{
+		case 0:
+			octant.init(Vector3(min[0], min[1], mid[2]),
+						Vector3(mid[0], mid[1], max[2]));
+			break;
+		case 1:
+			octant.init(Vector3(mid[0], min[1], mid[2]),
+						Vector3(max[0], mid[1], max[2]));
+			break;
+		case 2:
+			octant.init(mid, max);
+			break;
+		case 3:
+			octant.init(Vector3(min[0], mid[1], mid[2]),
+						Vector3(mid[0], max[1], max[2]));
+			break;
+		case 4:
+			octant.init(min, mid);
+			break;
+		case 5:
+			octant.init(Vector3(mid[0], min[1], min[2]),
+						Vector3(max[0], mid[1], mid[2]));
+			break;
+		case 6:
+			octant.init(Vector3(mid[0], mid[1], min[2]),
+						Vector3(max[0], max[1], mid[2]));
+			break;
+		case 7:
+			octant.init(Vector3(min[0], mid[1], min[2]),
+						Vector3(mid[0], max[1], mid[2]));
+			break;
+	}
+}
+
+
+void Aabb::getCorners(Vector3 corners[8]) const
+{
+	corners[0][0] = min[0]; corners[0][1] = min[1]; corners[0][2] = max[2];
+	corners[1][0] = max[0]; corners[1][1] = min[1]; corners[1][2] = max[2];
+	corners[2][0] = max[0]; corners[2][1] = max[1]; corners[2][2] = max[2];
+	corners[3][0] = min[0]; corners[3][1] = max[1]; corners[3][2] = max[2];
+	corners[4][0] = min[0]; corners[4][1] = min[1]; corners[4][2] = min[2];
+	corners[5][0] = max[0]; corners[5][1] = min[1]; corners[5][2] = min[2];
+	corners[6][0] = max[0]; corners[6][1] = max[1]; corners[6][2] = min[2];
+	corners[7][0] = min[0]; corners[7][1] = max[1]; corners[7][2] = min[2];
+}
+
+
+void Aabb::encloseVertices(const Vector3 vertices[], unsigned count)
+{
+	min = vertices[0];
+	max = vertices[0];
+
+	for (unsigned i = 1; i < count; ++i)
+	{
+		if (vertices[i][0] < min[0]) min[0] = vertices[i][0];
+		if (vertices[i][0] > max[0]) max[0] = vertices[i][0];
+		if (vertices[i][1] < min[1]) min[1] = vertices[i][1];
+		if (vertices[i][1] > max[1]) max[1] = vertices[i][1];
+		if (vertices[i][2] < min[2]) min[2] = vertices[i][2];
+		if (vertices[i][2] > max[2]) max[2] = vertices[i][2];
+	}
+}
+
+
 void Aabb::draw(Scalar alpha) const
 {
 	Scalar vertices[] = {min[0], min[1], min[2],
@@ -43,7 +116,7 @@ void Aabb::draw(Scalar alpha) const
 						 max[0], min[1], max[2],
 						 max[0], max[1], max[2]};
 
-	GLubyte indicis[] = {0, 1, 2, 3,
+	GLubyte indices[] = {0, 1, 2, 3,
 						 1, 2, 7, 4,
 						 3, 0, 5, 6,
 						 2, 3, 6, 7,
@@ -51,9 +124,23 @@ void Aabb::draw(Scalar alpha) const
 						 4, 5, 6, 7};
 
 	glEnableClientState(GL_VERTEX_ARRAY);
+	glDisableClientState(GL_TEXTURE_COORD_ARRAY);
 	glVertexPointer(3, GL_SCALAR, 0, vertices);
 
-	glDrawElements(GL_QUADS, sizeof(indicis), GL_UNSIGNED_BYTE, indicis);
+	glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+	Texture::resetBind();
+
+	glDrawElements(GL_QUADS, sizeof(indices), GL_UNSIGNED_BYTE, indices);
+
+	glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+	//glDisableClientState(GL_VERTEX_ARRAY);
+
+	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+}
+
+bool Aabb::isVisible(const Camera& cam) const
+{
+	return cam.getFrustum().containsAabb(*this);
 }