Function ruler_window

Examples/StereoKitCTest/main.cpp:272–298

}

void ruler_window() {
	static pose_t window_pose = pose_t{{0, 0, 0.5f}, quat_identity};
	ui_handle_begin("Ruler", window_pose,
					bounds_t{vec3_zero, vec3{30*cm2m, 4*cm2m, 1*cm2m}},
					true, ui_move_exact);
	color32 color = color_to_32(color_hsv(0.6f, 0.5f, 1, 1));
	text_add_at("Centimeters",
				matrix_trs(vec3{14.5f*cm2m, -1.5f*cm2m, -0.6f*cm2m},
						   quat_identity, vec3{0.3f, 0.3f, 0.3f}),
				0, text_align_bottom_left);
	for (int d = 0; d <= 60; d++) {
		float x = d / 2.0f;
		float size = (d % 2 == 0) ? 1.0f : 0.15f;
		line_add(vec3{(15 - x)*cm2m, 2*cm2m, -0.6f*cm2m},
				 vec3{(15 - x)*cm2m, (2 - size)*cm2m, -0.6f*cm2m},
				 color, color, 0.5f*mm2m);

		if (d % 2 == 0 && d / 2 != 30) {
			text_add_at(std::to_string(d / 2).c_str(),
						matrix_trs(vec3{(15 - x - 0.1f)*cm2m,
										(2 - size)*cm2m, -0.6f*cm2m},
									quat_identity, vec3{0.2f, 0.2f, 0.2f}),
						0, text_align_bottom_left);
		}
	}
	ui_handle_end();
}