| 1. | Consider first a light wave spreading out from a point source .
首先考虑一个点光源发出的光波。 |
| 2. | In actual practice a brighter image is obtained by using a broad, rather than a point, source along with a substage condenser .
在实际工作中，不是用点光源而是用一个扩展光源加一个台下聚光镜以得到一个较亮的象。 |
| 3. | Point light : this light has position and color
点光源：它具有位置及颜色。 |
| 4. | A good example of point light is your light bulb
点光源一个好的例子是你家里的电灯泡。 |
| 5. | Shows how to make moving directional and point lights
演示如何制作移动定向光源和点光源。 |
| 6. | Point and spot lighting usually have attenuation coefficients
点光源、聚光灯通常具有衰减系数。 |
| 7. | Simulation of two point sources interference phenomenon based on matlab
的双点光源干涉现象的模拟 |
| 8. | Two types of light sources will be considered : directional and point lights
两种类型的光照我们将要考虑：方向光和点光源。 |
| 9. | Shows how to , using fixed point math , make moving directional and point lights
演示如何使用定点算法制作移动的定向光源和点光源。 |
| 10. | We will be discussing only point lights and the diffuse lighting model in this document
在此文中，我们仅会正讨论点光源及漫射光照模型。 |
