72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
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#include "walker.h"
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// third party includes
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#include <raymath.h>
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// local includes
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#include "ems.h"
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Walker::Walker(float body_height, float body_feet_radius, float feet_radius)
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: body_pos{0.0F, body_height, 0.0F},
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target_body_pos{0.0F, body_height, 0.0F},
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leg_nw(),
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leg_ne(),
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leg_sw(),
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leg_se(),
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target_leg_nw(),
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target_leg_ne(),
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target_leg_sw(),
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target_leg_se(),
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nw_flags(0x0),
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ne_flags(0x08),
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sw_flags(0x10),
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se_flags(0x18),
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flags(0),
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body_height(body_height),
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body_feet_radius(body_feet_radius),
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feet_radius(feet_radius),
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lift_start_y(0.0F) {
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const Vector3 nw = Vector3Normalize(Vector3{-1.0F, 0.0F, -1.0F});
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const Vector3 ne = Vector3Normalize(Vector3{1.0F, 0.0F, -1.0F});
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const Vector3 sw = Vector3Normalize(Vector3{-1.0F, 0.0F, 1.0F});
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const Vector3 se = Vector3Normalize(Vector3{1.0F, 0.0F, 1.0F});
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leg_nw = Vector3Add(
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Vector3{(call_js_get_random() - 0.5F) / FEET_INIT_POS_VARIANCE_DIV, 0.0F,
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(call_js_get_random() - 0.5F) / FEET_INIT_POS_VARIANCE_DIV},
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Vector3Scale(nw, body_feet_radius));
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target_leg_nw = leg_nw;
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leg_ne = Vector3Add(
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Vector3{(call_js_get_random() - 0.5F) / FEET_INIT_POS_VARIANCE_DIV, 0.0F,
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(call_js_get_random() - 0.5F) / FEET_INIT_POS_VARIANCE_DIV},
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Vector3Scale(ne, body_feet_radius));
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target_leg_ne = leg_ne;
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leg_sw = Vector3Add(
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Vector3{(call_js_get_random() - 0.5F) / FEET_INIT_POS_VARIANCE_DIV, 0.0F,
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(call_js_get_random() - 0.5F) / FEET_INIT_POS_VARIANCE_DIV},
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Vector3Scale(sw, body_feet_radius));
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target_leg_sw = leg_sw;
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leg_se = Vector3Add(
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Vector3{(call_js_get_random() - 0.5F) / FEET_INIT_POS_VARIANCE_DIV, 0.0F,
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(call_js_get_random() - 0.5F) / FEET_INIT_POS_VARIANCE_DIV},
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Vector3Scale(se, body_feet_radius));
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target_leg_se = leg_se;
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}
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void Walker::draw(const Model &model) {
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// draw body
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DrawModel(model, body_pos, 1.0F, WHITE);
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// draw legs
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DrawModel(model, leg_nw, 1.0F, WHITE);
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DrawModel(model, leg_ne, 1.0F, WHITE);
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DrawModel(model, leg_sw, 1.0F, WHITE);
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DrawModel(model, leg_se, 1.0F, WHITE);
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}
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void Walker::set_body_pos(Vector3 pos) {
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target_body_pos = pos;
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target_body_pos.y += body_height;
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flags &= ~1;
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}
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