diff --git a/qglview/globject.h b/qglview/globject.h
index 8ef8c3a..9d5c31b 100644
--- a/qglview/globject.h
+++ b/qglview/globject.h
@@ -225,7 +225,7 @@ public:
 	virtual void init() {shadow_map.resize(512, 512); is_init = true;}
 	virtual void draw(QGLShaderProgram * prog, bool simplest = false);
 
-	QVector3D direction;
+	QVector3D direction, dir0, dir1;
 	GLdouble angle_start;
 	GLdouble angle_end;
 	GLdouble intensity;
diff --git a/qglview/glrendererbase.cpp b/qglview/glrendererbase.cpp
index 0ba0c71..95e20b7 100644
--- a/qglview/glrendererbase.cpp
+++ b/qglview/glrendererbase.cpp
@@ -238,7 +238,11 @@ void GLRendererBase::renderShadow(Light * l, QGLShaderProgram * prog, QMatrix4x4
 	cam.setDepthEnd(view.camera().depthEnd());
 	cam.setFOV(l->angle_end);
 	cam.apply(1.);
-	view.objects_.preparePos(cam);
+	cam.rotateXY(l->angle_end);
+	l->dir0 = cam.direction();
+	cam.rotateXY(-l->angle_end);
+	cam.rotateZ(l->angle_end);
+	l->dir1 = cam.direction();
 	RenderingParameters rpl;
 	rpl.pass = GLObjectBase::Solid;
 	rpl.shaders = prog;
@@ -248,7 +252,7 @@ void GLRendererBase::renderShadow(Light * l, QGLShaderProgram * prog, QMatrix4x4
 	QMatrix4x4 mbias;
 	mbias.scale(0.5, 0.5, 0.5);
 	mbias.translate(1., 1., 1.);
-	l->shadow_matrix = mbias*rpl.proj_matrix*rpl.view_matrix;//*mat;
+	l->shadow_matrix = mbias*rpl.proj_matrix*rpl.view_matrix;//*mat;//;// * mbias;
 	//qDebug() << mbias;
 	//glPushMatrix();
 	renderSingleShadow(view.objects_, rpl);
diff --git a/qglview/glshaders.cpp b/qglview/glshaders.cpp
index 0ca4c11..98b6d96 100644
--- a/qglview/glshaders.cpp
+++ b/qglview/glshaders.cpp
@@ -67,7 +67,9 @@ const char qgl_structs[] =
 	"	float quadraticAttenuation;\n"
 	"	sampler2DShadow shadow;\n"
 	//"	sampler2D shadowColor\n"
-	"	mat4 shadowMatrix;\n"
+	//"	mat4 shadowMatrix;\n"
+	"	vec4 shadowDir0;\n"
+	"	vec4 shadowDir1;\n"
 	"};\n"
 	"struct QGLMap {\n"
 	"	float offset;\n"
@@ -215,7 +217,7 @@ void setUniformLights(QGLShaderProgram * prog, const QVector<Light*> & lights, c
 */
 void setUniformLight(QGLShaderProgram * prog, Light * light, QString ulightn, const QMatrix4x4 & mat, int shadow) {
 	QMatrix4x4 m = mat * light->worldTransform();
-	QVector4D pos(0, 0, 0, 1.), dir(light->direction);
+	QVector4D pos(0, 0, 0, 1.), dir(light->direction), dir0(light->dir0), dir1(light->dir1);
 	pos = m * pos;
 	dir = (mat * dir).normalized();
 	double ang_start = light->angle_start / 2., ang_end = light->angle_end / 2.;
@@ -235,5 +237,8 @@ void setUniformLight(QGLShaderProgram * prog, Light * light, QString ulightn, co
 	prog->setUniformValue((ulightn + ".quadraticAttenuation").toLatin1().constData(), GLfloat(light->decay_quadratic));
 	prog->setUniformValue((ulightn + ".shadow").toLatin1().constData(), shadow);
 	prog->setUniformValue((ulightn + ".shadowColor").toLatin1().constData(), shadow);
-	prog->setUniformValue((ulightn + ".shadowMatrix").toLatin1().constData(), light->shadow_matrix);
+	prog->setUniformValue((ulightn + ".shadowDir0").toLatin1().constData(), (mat * dir0).normalized());
+	prog->setUniformValue((ulightn + ".shadowDir1").toLatin1().constData(), (mat * dir1).normalized());
+	//qDebug() << light->direction << light->dir0 << light->dir1;
+	//prog->setUniformValue((ulightn + ".shadowMatrix").toLatin1().constData(), light->shadow_matrix);
 }
diff --git a/qglview/qglview.cpp b/qglview/qglview.cpp
index a4f104b..8b48289 100644
--- a/qglview/qglview.cpp
+++ b/qglview/qglview.cpp
@@ -139,7 +139,7 @@ void QGLView::drawBackground(QPainter * painter, const QRectF & rect) {
 
 
 void QGLView::initializeGL() {
-	qDebug() << "init glview";
+	//qDebug() << "init glview";
 	makeCurrent();
 	currentQGLView = (QGLWidget * )viewport();
 	currentGLTextureManager = &textures_manager;
@@ -509,7 +509,7 @@ void QGLView::resizeGL(int width, int height) {
 	if (!is_init) return;
 	aspect = double(width) / double(height);
 	if (renderer_ != 0) renderer_->resize(width, height);
-	qDebug() << "resize" << width << height;
+	//qDebug() << "resize" << width << height;
 	fbo_selection.resize(width, height);
 	mouse_first = true;
 	iaspect = (aspect == 0.) ? 0. : 1 / aspect;
diff --git a/qglview/shaders/dsl_pass_1.frag b/qglview/shaders/dsl_pass_1.frag
index 7f1730f..b209d6c 100644
--- a/qglview/shaders/dsl_pass_1.frag
+++ b/qglview/shaders/dsl_pass_1.frag
@@ -24,7 +24,7 @@ float sh_pow, sh_mul, dist, NdotL, NdotH, spot, ldist, diff, sdist, shadow;
 float getShadow(int light, vec3 view_pos, vec3 dpos) {
 	shp = mat_viewi * vec4(view_pos, 1);
 	shp += vec4(dpos, 0);
-	shp = qgl_Light[light].shadowMatrix * shp;
+	//shp = qgl_Light[light].shadowMatrix * shp;
 	//shp.xyz /= shp.w;
 	shp.z -= 0.1;
 	return textureProj(qgl_Light[light].shadow, shp);
@@ -43,10 +43,7 @@ void calcLight(in int index, in vec3 n, in vec3 v, in vec4 v2) {
 		if (qgl_Light[index].endAngle <= 90.) {
 			float scos = max(dot(-ldir, qgl_Light[index].direction.xyz), 0.);
 			spot *= scos * step(qgl_Light[index].endAngleCos, scos);
-			//spot = clamp(scos / (-qgl_Light[index].endAngleCos + qgl_Light[index].startAngleCos + 0.0001),0,1);
 			spot *= smoothstep(qgl_Light[index].endAngleCos, qgl_Light[index].startAngleCos, scos);
-			//spot = pow(spot, (qgl_Light[index].spotExponent + 0.001));
-
 			lwdir = mat3(mat_viewi) * qgl_Light[index].direction.xyz;
 			bn = normalize(cross(lwdir, vec3(1, 0, 0)));
 			bn2 = normalize(cross(lwdir, bn));
@@ -54,7 +51,7 @@ void calcLight(in int index, in vec3 n, in vec3 v, in vec4 v2) {
 			//spot *= clamp(1. - sdist, 0, 1);
 			vds = ds * bn.xyz;
 			vds2 = ds * bn2.xyz;
-			float shadow =  getShadow(index, pos.xyz, vec3(0)) * 3. +
+			float shadow = 1;/* getShadow(index, pos.xyz, vec3(0))/* * 3. +
 							getShadow(index, pos.xyz,   vds                    ) * 2. +
 							getShadow(index, pos.xyz, - vds                    ) * 2. +
 							getShadow(index, pos.xyz,             - vds2       ) * 2. +
@@ -74,47 +71,8 @@ void calcLight(in int index, in vec3 n, in vec3 v, in vec4 v2) {
 							getShadow(index, pos.xyz,   vds       - vds2 - vds2) +
 							getShadow(index, pos.xyz,   vds       + vds2 + vds2) +
 							getShadow(index, pos.xyz, - vds       - vds2 - vds2) +
-							getShadow(index, pos.xyz, - vds       + vds2 + vds2);
-			//spot *= shadow / 29.;
-			/*shp = qgl_Light[index].shadowMatrix*vec4(pos.xyz,1);
-			//shp.z -= 0.1;
-			shp.xyz /= shp.w;
-			float shr = texture(qgl_Light[index].shadowColor, shp.xy).r;
-			sdist = shp.w - shr - 1.;
-			//if (sdist > 0.) {
-				shadow = //shr + //texture(qgl_Light[index].shadowColor, shp.xy, shp.zw)) +
-							clamp(shp.w - texture(qgl_Light[index].shadowColor, shp.xy + vds                    ).r - 1, 0, 1)
-							clamp(shp.w - texture(qgl_Light[index].shadowColor, shp.xy + vds       - vds2       ).r - 1, 0, 1) +
-							clamp(shp.w - texture(qgl_Light[index].shadowColor, shp.xy + vds       + vds2       ).r - 1, 0, 1) +
-							clamp(shp.w - texture(qgl_Light[index].shadowColor, shp.xy - vds                    ).r - 1, 0, 1) +
-							clamp(shp.w - texture(qgl_Light[index].shadowColor, shp.xy - vds       - vds2       ).r - 1, 0, 1) +
-							clamp(shp.w - texture(qgl_Light[index].shadowColor, shp.xy - vds       + vds2       ).r - 1, 0, 1) +
-							clamp(shp.w - texture(qgl_Light[index].shadowColor, shp.xy             - vds2       ).r - 1, 0, 1) +
-							clamp(shp.w - texture(qgl_Light[index].shadowColor, shp.xy             + vds2       ).r - 1, 0, 1) +
-							clamp(shp.w - texture(qgl_Light[index].shadowColor, shp.xy + vds + vds              ).r - 1, 0, 1) +
-							clamp(shp.w - texture(qgl_Light[index].shadowColor, shp.xy - vds - vds              ).r - 1, 0, 1) +
-							clamp(shp.w - texture(qgl_Light[index].shadowColor, shp.xy             - vds2 - vds2).r - 1, 0, 1) +
-							clamp(shp.w - texture(qgl_Light[index].shadowColor, shp.xy             + vds2 + vds2).r - 1, 0, 1)*/;
-							/*texture(qgl_Light[index].shadowColor, shp.xy - vds                    ).r +
-							texture(qgl_Light[index].shadowColor, shp.xy - vds       + vds2       ).r +
-							texture(qgl_Light[index].shadowColor, shp.xy             + vds2       ).r +
-							texture(qgl_Light[index].shadowColor, shp.xy                          ).r +
-							texture(qgl_Light[index].shadowColor, shp.xy - vds                    ).r +
-							texture(qgl_Light[index].shadowColor, shp.xy             - vds2       ).r +
-							texture(qgl_Light[index].shadowColor, shp.xy - vds       - vds2       ).r +
-							texture(qgl_Light[index].shadowColor, shp.xy                          ).r +
-							texture(qgl_Light[index].shadowColor, shp.xy + vds + vds + vds2 + vds2).r +
-							texture(qgl_Light[index].shadowColor, shp.xy + vds + vds + vds2 + vds2).r +
-							texture(qgl_Light[index].shadowColor, shp.xy + vds + vds + vds2 + vds2).r +
-							texture(qgl_Light[index].shadowColor, shp.xy + vds + vds + vds2 + vds2).r +
-							texture(qgl_Light[index].shadowColor, shp.xy + vds + vds + vds2 + vds2).r +
-							texture(qgl_Light[index].shadowColor, shp.xy + vds + vds + vds2 + vds2).r +
-							texture(qgl_Light[index].shadowColor, shp.xy + vds + vds + vds2 + vds2).r +
-							texture(qgl_Light[index].shadowColor, shp.xy + vds + vds + vds2 + vds2).r;
-				shadow = shadow / 1;// - 0.5;
-				spot *= ds*100;//clamp(1. - shadow, 0, 1);
-			//}*/
-			///spot *= textureProj(qgl_Light[index].shadow, shp);
+							getShadow(index, pos.xyz, - vds       + vds2 + vds2)*/;
+			spot *= shadow;// / 29.;
 		}
 		spot /= (qgl_Light[index].constantAttenuation + ldist * (qgl_Light[index].linearAttenuation + ldist * qgl_Light[index].quadraticAttenuation));
 		///li += spot * gl_LightSource[index].diffuse.rgb * light_diffuse(0, ldir, n);
@@ -175,7 +133,17 @@ void main(void) {
 	//qgl_FragData[0].rgb = vec3(abs(lpos.xyz - pos.xyz)/10);
 	//qgl_FragData[0].rgb = li + vec3(texelFetch(t_pp, tc, 0).xyz);
 	//shd = shd - shp.w;
+	vec3 fp = pos.xyz * lpos.w;
+	vec3 _dlp = fp - qgl_Light[0].position.xyz;
+	vec3 _ld = qgl_Light[0].direction.xyz;
+	float lz = dot(_ld, _dlp);
+	vec3 _lt = normalize(cross(_ld, _dlp));
+	vec3 _lt2 = normalize(cross(_lt, _dlp));
+	float ly = dot(qgl_Light[0].shadowDir0.xyz, normalize(_dlp));
+	float lx = dot(qgl_Light[0].shadowDir1.xyz, normalize(_dlp));
+	vec3 dd = mat3(mat_viewi)*(normalize(_dlp) - _ld);
 	//qgl_FragData[0].rgb = vec3(abs(shp.xy/shp.w)/1,0);
+	qgl_FragData[0].rgb = vec3(lx*qgl_Light[0].endAngleCos/1);
 	//qgl_FragData[0].rgb = vec3(abs(mat3(mat_viewi)* qgl_Light[0].direction.xyz));
 	//qgl_FragData[0].rgb = vec3(texture(qgl_Light[0].shadow,shp.xyz/shp.w)/2);
 	//qgl_FragData[0].a = 0.;