X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fgrid.cpp;h=3f4d5e2fddb0fa11c9ab99f64f906fc3ecbaeece;hp=78a3fecb79906b16e1a7a1c4a4978497730cbb52;hb=HEAD;hpb=2b779717e42b514210f7128cf9aee2276650e003

diff --git a/source/grid.cpp b/source/grid.cpp
deleted file mode 100644
index 78a3fecb..00000000
--- a/source/grid.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-#include <cmath>
-#include "grid.h"
-#include "primitivebuilder.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-GridBuilder::GridBuilder(float w, float h, unsigned u, unsigned v):
-	origin(-w/2, -h/2, 0),
-	side1(w, 0, 0),
-	side2(0, h, 0),
-	norm(0, 0, 1),
-	binorm(0, 1, 0),
-	u_div(u),
-	v_div(v)
-{
-	init(false);
-}
-
-GridBuilder::GridBuilder(const Vector3 &o, const Vector3 &s, unsigned u, unsigned v):
-	origin(o),
-	u_div(u),
-	v_div(v)
-{
-	if(abs(s.z)<abs(s.x) && abs(s.z)<abs(s.y))
-	{
-		side1 = Vector3(s.x, 0, 0);
-		side2 = Vector3(0, s.y, 0);
-	}
-	else if(abs(s.y)<abs(s.x))
-	{
-		side1 = Vector3(0, 0, s.z);
-		side2 = Vector3(s.x, 0, 0);
-	}
-	else
-	{
-		side1 = Vector3(0, s.y, 0);
-		side2 = Vector3(0, 0, s.z);
-	}
-	init(true);
-}
-
-GridBuilder::GridBuilder(const Vector3 &o, const Vector3 &s1, const Vector3 &s2, unsigned u, unsigned v):
-	origin(o),
-	side1(s1),
-	side2(s2),
-	u_div(u),
-	v_div(v)
-{
-	init(true);
-}
-
-void GridBuilder::init(bool compute_normals)
-{
-	if(u_div<1)
-		u_div = 1;
-	if(v_div<1)
-		v_div = 1;
-
-	if(compute_normals)
-	{
-		norm = normalize(cross(side1, side2));
-		binorm = normalize(cross(norm, side1));
-	}
-}
-
-void GridBuilder::build(PrimitiveBuilder &builder) const
-{
-	float l1_sq = dot(side1, side1);
-	float l2 = dot(side2, binorm);
-	float u_scale = 1/l1_sq;
-	float v_scale = 1/l2;
-	adjust_texture_scale(u_scale, v_scale, sqrt(l1_sq), l2);
-
-	builder.normal(norm.x, norm.y, norm.z);
-	if(generate_tbn)
-	{
-		builder.tangent(side1);
-		builder.binormal(binorm);
-	}
-
-	for(unsigned j=0; j<=v_div; ++j)
-	{
-		Vector3 row = origin+side2*(j*1.0f/v_div);
-		float v = dot(row, binorm)*v_scale;
-		for(unsigned i=0; i<=u_div; ++i)
-		{
-			Vector3 p = row+side1*(i*1.0f/u_div);
-			float u = dot(p, side1)*u_scale;
-			builder.texcoord(u, v);
-			builder.vertex(p);
-		}
-	}
-
-	for(unsigned j=0; j<v_div; ++j)
-	{
-		builder.begin(TRIANGLE_STRIP);
-		for(unsigned i=0; i<=u_div; ++i)
-		{
-			builder.element((j+1)*(u_div+1)+i);
-			builder.element(j*(u_div+1)+i);
-		}
-		builder.end();
-	}
-}
-
-} // namespace GL
-} // namespace Msp