1. Formal elements
1.1. shape
1.1.1. Above the numerous studies of geometrical representation of emotion in most instances the more simplistic a shape, the more positive the emotions with some oddballs like a triangle representing strength due to it being the strongest shape
1.2. colour
1.2.1. Colour can define emotion in numerous ways, red for example can be associated with fear and danger however its also determines by how its used strawberries aren't exactly scary and nor is a romantic aesthetic which would probably utilise red.
1.3. light
1.3.1. Light is great, especially when linked to atmosphere, it can set tone in numerous ways even with its absence. It can also be used to draw attention to story elements to display something such as isolation (light only visible on a character after emotional confrontation)
2. Themes and genres
2.1. what emotions can be taken from an environment
2.2. what do environments intend for you to think
3. Visual communication
3.1. framing
3.2. composition
4. Key concepts
4.1. what environments specifically benefit from emotion?
4.1.1. building suspense
4.1.2. pay-off for suspense
5. Relevant media
5.1. games that use environments.
6. influences
6.1. RADIOHEAD
6.1.1. A KID AMNESIA