![]() Value indicating which bit or bits of the navigation mask are used for visualization. Value indicating whether the visualizer is enabled to highlight the surfaces that use the specified bits of the navigation mask. Value indicating which bit or bits of the collision mask are used for visualization. Value indicating whether the visualizer is enabled to highlight the surfaces that use the specified bits of the collision mask. Value indicating which bit or bits of the physical mask are used for visualization. Value indicating whether the visualizer is enabled to highlight the surfaces that use the specified bits of the physical mask. Value indicating which bit or bits of the viewport mask are used for visualization. Value indicating whether the visualizer is enabled to highlight the surfaces that use the specified bits of the viewport mask. Value indicating which bit or bits of the material mask are used for visualization. Value indicating whether the visualizer is enabled to highlight the surfaces that use the specified bits of the material mask. Value indicating which bit or bits of the obstacle mask are used for visualization. Value indicating whether the visualizer is enabled to highlight the surfaces that use the specified bits of the obstacle mask. Value indicating which bit or bits of the shadow mask are used for visualization. Value indicating whether the visualizer is enabled to highlight the surfaces that use the specified bits of the shadow mask. Value indicating which bit or bits of the field mask are used for visualization. Value indicating whether the visualizer is enabled to highlight the surfaces that use the specified bits of the field mask. Number of rendered per frame decals that can be seen in the viewport (during all of the rendering passes). Returns the number of draw calls used in the current scene. Number of light passes rendered per frame. Number of materials set per frame (during all of the rendering passes) in the current scene. Number of geometric rendered per frame primitives that can be seen in the viewport. ![]() Number of reflections drawn per frame that can be seen in the viewport. Number of shadow passes rendered per frame. Number of rendered per frame surfaces that can be seen in the viewport (in all rendering passes). The tessellations shown here are from Suad, Alim, Mohamed, Ruhan and Era.Number of rendered per frame triangles that can be seen in the viewport. At the end of the inquiry, I displayed some of the tessellations under a visualiser, which elicited an intriguing question from one of the students who had noticed the angles chosen for the quadrilaterals were all less than 180 o : "Would it work if the quadrilateral has a reflex angle?" I encouraged students to write in the angles that met at a point to verify that they summed to 360 o. They had to think carefully about how to transform the shape. The quadrilaterals presented a challenge even to the students with the highest prior attainment, particularly when the size of the angles were similar. ![]() Īs our time was limited, I directed the students to cut out a triangle or quadrilateral from card and, after measuring and noting down the interior angles, tessellate their shape on paper. To tessellate is to cover a surface with a pattern of repeated shapes, especially polygons, that fit together closely without gaps or overlapping. We compared their ideas with a formal definition (below) and agreed that they were consistent. Will it work with all the types of triangles?Īfter showing them pictures of tessellations, the students began to construct an understanding of the concept: They had no prior knowledge of tessellations and, unsurprisingly, that was their first question about the prompt:ĭoes it mean that triangles fit into quadrilaterals? Do they "perfectly overlap"?ĭo triangles and quadrilaterals do it in the same way? The prompt gave them an opportunity to see angle facts in a new context. Andrew Blair reports on how the inquiry progressed: ![]() A year 7 mixed attainment class at Haverstock school (Camden, UK) inquired into the prompt during a 50-minute lesson. ![]()
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