60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
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#include "cspt-state.h"
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void doGameTick(struct gameState * state)
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{
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state->timestamp = time(NULL);
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for (int index = 0; index < 16; index++)
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{
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if (state->clients[index].registered == true)
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{
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// Calculate acceleration:
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if (state->clients[index].leftAcceleration)
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{
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state->clients[index].xVelocity -= 0.1;
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}
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if (state->clients[index].rightAcceleration)
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{
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state->clients[index].xVelocity += 0.1;
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}
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if (state->clients[index].upAcceleration)
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{
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state->clients[index].yVelocity += 0.1;
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}
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if (state->clients[index].downAcceleration)
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{
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state->clients[index].yVelocity += 0.1;
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}
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if (!state->clients[index].leftAcceleration && !state->clients[index].rightAcceleration)
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{
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state->clients[index].xVelocity *= 0.1;
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}
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if (!state->clients[index].upAcceleration && !state->clients[index].downAcceleration)
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{
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state->clients[index].yVelocity *= 0.1;
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}
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// Clamp speed:
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if (state->clients[index].xVelocity > 10)
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{
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state->clients[index].xVelocity = 10;
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}
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if (state->clients[index].xVelocity < -10)
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{
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state->clients[index].xVelocity = -10;
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}
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if (state->clients[index].yVelocity > 10)
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{
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state->clients[index].yVelocity = 10;
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}
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if (state->clients[index].yVelocity < -10)
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{
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state->clients[index].yVelocity = -10;
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}
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// Do movement:
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state->clients[index].xPosition += state->clients[index].xVelocity;
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state->clients[index].yPosition += state->clients[index].yVelocity;
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}
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}
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}
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