X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fgrid.cpp;h=3f4d5e2fddb0fa11c9ab99f64f906fc3ecbaeece;hp=2f1a2a1ca6225a680f24227b2c2fdc0c96098fe2;hb=HEAD;hpb=f14435e58bfa0fa697a06ba9a454bb30cd37d9d8

diff --git a/source/grid.cpp b/source/grid.cpp
deleted file mode 100644
index 2f1a2a1c..00000000
--- a/source/grid.cpp
+++ /dev/null
@@ -1,124 +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.x = side1.y*side2.z-side1.z*side2.y;
-		norm.y = side1.z*side2.x-side1.x*side2.z;
-		norm.z = side1.x*side2.y-side1.y*side2.x;
-		float l = sqrt(norm.x*norm.x+norm.y*norm.y+norm.z*norm.z);
-		norm.x /= l;
-		norm.y /= l;
-		norm.z /= l;
-
-		binorm.x = norm.y*side1.z-norm.z*side1.y;
-		binorm.y = norm.z*side1.x-norm.x*side1.z;
-		binorm.z = norm.x*side1.y-norm.y*side1.x;
-		l = sqrt(binorm.x*binorm.x+binorm.y*binorm.y+binorm.z*binorm.z);
-		binorm.x /= l;
-		binorm.y /= l;
-		binorm.z /= l;
-	}
-}
-
-void GridBuilder::build(PrimitiveBuilder &builder) const
-{
-	float l1_sq = side1.x*side1.x+side1.y*side1.y+side1.z*side1.z;
-	float l2 = side2.x*binorm.x+side2.y*binorm.y+side2.z*binorm.z;
-	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(tangent_attr>=0)
-		builder.attrib(tangent_attr, side1.x, side1.y, side1.z);
-	if(binormal_attr>=0)
-		builder.attrib(tangent_attr, binorm.x, binorm.y, binorm.z);
-
-	for(unsigned j=0; j<=v_div; ++j)
-	{
-		float v = j*1.0/v_div;
-		Vector3 row(origin.x+side2.x*v, origin.y+side2.y*v, origin.z+side2.z*v);
-		v = (row.x*binorm.x+row.y*binorm.y+row.z*binorm.z)*v_scale;
-		for(unsigned i=0; i<=u_div; ++i)
-		{
-			float u = i*1.0/u_div;
-			Vector3 p(row.x+side1.x*u, row.y+side1.y*u, row.z+side1.z*u);
-			u = (p.x*side1.x+p.y*side1.y+p.z*side1.z)*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