24 lines
831 B
C
24 lines
831 B
C
#include "entity.h"
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#define PLR_MOVE_SPEED 800.0f
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#define PLR_MOVE_SPEED_MULT 1.5f
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void MovementImpulse(ecs_iter_t *it) {
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Input *in = ecs_field(it, Input, 1);
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Velocity *v = ecs_field(it, Velocity, 2);
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Position *p = ecs_field(it, Position, 3);
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for (int i = 0; i < it->count; i++) {
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world_block_lookup lookup = world_block_from_realpos(p[i].x, p[i].y);
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float drag = zpl_clamp(blocks_get_drag(lookup.bid), 0.0f, 1.0f);
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float speed = PLR_MOVE_SPEED * (in[i].sprint ? PLR_MOVE_SPEED_MULT : 1.0f);
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v[i].x += in[i].x*speed*drag*safe_dt(it);
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v[i].y -= in[i].y*speed*drag*safe_dt(it);
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if ( zpl_abs(v[i].x) > ENTITY_ACTION_VELOCITY_THRESHOLD
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|| zpl_abs(v[i].y) > ENTITY_ACTION_VELOCITY_THRESHOLD) {
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entity_wake(it->entities[i]);
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}
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}
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}
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