Ritchie Cunningham
744c41b8ce
Physics and collision system to make players interact with the generated terraine without falling through the world like lemmings. It uses a shared bilinear interpolation function for terrain height for smooth and consistant height queries on the client and server.
24 lines
754 B
C++
24 lines
754 B
C++
#include <cmath>
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#include "world.h"
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#include "bettola/game/chunk.h"
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#include "bettola/game/terrain.h"
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float World::get_height(float world_x, float world_z) {
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/*
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* Mesh generation uses (WIDTH-1), so account for it
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* when calculating the chunk and local coords.
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*/
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float chunk_width = (float)(BettolaLib::Game::CHUNK_WIDTH-1);
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float chunk_height = (float)(BettolaLib::Game::CHUNK_HEIGHT-1);
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int chunk_x = floor(world_x / chunk_width);
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int chunk_z = floor(world_z / chunk_height);
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float local_x = world_x - (chunk_x * chunk_width);
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float local_z = world_z - (chunk_z * chunk_height);
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BettolaLib::Game::Chunk& chunk = get_chunk(chunk_x, chunk_z);
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return BettolaLib::Game::Terrain::get_height_at(chunk, local_x, local_z);
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}
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