worked on android port

opengl1 -> es

mapview/3D/misc/Window.cpp

@@ -0,0 +1,87 @@
+#include "Window.h"
+#include "Shader.h"
+
+#include <Indoor/geo/Point3.h>
+#include <Indoor/math/Math.h>
+
+static float window_vertices[] = {
+
+	+1, 0, +1,
+	-1, 0, +1,
+	-1, 0, -1,
+
+	-1, 0, -1,
+	+1, 0, -1,
+	+1, 0, +1,
+
+	-1, 0, +1,
+	+1, 0, +1,
+	-1, 0, -1,
+
+	+1, 0, -1,
+	-1, 0, -1,
+	+1, 0, +1,
+
+};
+
+static float window_normals[] = {
+
+	0,-1,0,
+	0,-1,0,
+	0,-1,0,
+
+	0,-1,0,
+	0,-1,0,
+	0,-1,0,
+
+	0,+1,0,
+	0,+1,0,
+	0,+1,0,
+
+	0,+1,0,
+	0,+1,0,
+	0,+1,0,
+
+};
+
+Window::Window(const Point2 from, const Point2 to, float atHeight, float height) :
+	from(from), to(to), atHeight(atHeight), height(height) {
+
+	const Point2 cen = (from+to)/2;
+
+	const float sx = from.getDistance(to) / 2.0f;
+	const float sz = height / 2.0f;
+
+	const float rad = -std::atan2(to.y - from.y, to.x - from.x);
+	const float deg = rad * 180 / M_PI;
+
+	mat.translate(cen.x, cen.y, atHeight + height/2);
+	mat.rotate(deg, 0, 0, 1);
+	mat.scale(sx, 1, sz);
+
+}
+
+void Window::render(const RenderSettings& rs) {
+
+	rs.shader->bind();
+
+	rs.shader->setColor(0.75, 0.85, 1.0, 0.35);
+
+	glEnable(GL_BLEND);
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+	//glDisable(GL_CULL_FACE);
+
+	rs.shader->setModelMatrix(mat);
+
+	rs.shader->setVertices(window_vertices);
+	rs.shader->setNormals(window_normals);
+	glDrawArrays(GL_TRIANGLES, 0, 12);
+	rs.shader->unsetVertices();
+	rs.shader->unsetNormals();
+
+	//glEnable(GL_CULL_FACE);
+	glDisable(GL_BLEND);
+
+	rs.shader->release();
+
+}