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Report_11_10.md

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###Report on Oct 23, 2014

Game Enhancement:

  • Lasso is added: The spaceship now may shoot lasso to capture flying cows in the space. The lasso has its animation when shot out. The animation is implemented by showing different part sequently in the following figure.

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  • Sounds added: There are sounds added when the rocket launches, uses burst, and hit the obstacles.
  • Text input: The map information is now stored in text files instead of hardcoding in the program.
  • Changed orbiting mechanism: Previously, the rotation was implemented by using the rotate function. But it introduces troubles when doing collision detection. The rotation is now implemented using a vector-based mechanism. That is, we change the speed vector by changing its angles only.
  • Space effects added: We have 2 more space effects implemented -- Asteroids and Wormholes.

Asteroids can move alone a direction in the game. Spaceship will be crashed when hit by an asteroid. Asteroids will crash when hit other objects, like space ranch, planets. Asteroids will appear at the origins after it crashes or goes out of the game bound.

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Wormholes are places that transport the spaceship to another wormhole. Every wormhole has a counterpart. Entering either of the wormhole the spaceship will appear on the counterpart, keeping its velocity unchanged.

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  • Added indicators for cows, bursts, and life: Player will have limited bursts and life to finish one level. Player use bursts to escape planet gravity and avoid hit by asteroids. In order to finish each level, player will plan ahead how to best take advantage of the limited bursts to capture as many cows as possible. Player has limited life to retry the current level.

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  • More levels are created
  • The program is factored into separate files
  • Added planet in motion

TODO:

  • Add more sounds and background music
  • Add Transition between levels, game start and game over screens, etc
  • Add bend effect of planets.
  • More space effect, like blackhole, etc

Contribution:

Yue: Space effects - asteroids and wormholes. Cow, life, and bursts indicators. burst deceleration.

Michael: add and animate the lasso. Planet in motion. Vector-based orbiting implementation.

Kate: Art. Maps as text input. sound and music.