87 lines
1.5 KiB
C
87 lines
1.5 KiB
C
/*
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** obs.c - <+DESC+>
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**
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** 2014 - Frank Villaro-Dixon <Frank@Villaro-Dixon.eu>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "game.h"
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#include <math.h>
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void
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init_ob(struct s_obstacle *obs) { //{{{
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obs->used = 0;
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} //}}}
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void
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init_obs(struct s_game *g) { //{{{
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int i;
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for(i = 0; i < g->num_obs; i++) {
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init_ob(&g->obs[i]);
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}
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} //}}}
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void
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add_obstacle(struct s_game *g, struct s_obstacle o) { //{{{
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int i;
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for(i = 0; i < g->num_obs; i++) {
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if(!g->obs[i].used) {
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g->obs[i] = o;
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break;
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}
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}
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} //}}}
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struct s_obstacle
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create_obstacle(int thick, int face, int speed) { //{{{
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struct s_obstacle o;
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o.used = 1;
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o.thick = thick;
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o.face = face;
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o.distance = sqrt(SCREEN_WIDTH*SCREEN_WIDTH + SCREEN_HEIGHT*SCREEN_HEIGHT)/2;
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o.speed = speed;
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return o;
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} //}}}
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void
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delete_obstacle(struct s_game *g, int obs) { //{{{
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g->obs[obs].used = 0;
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} //}}}
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void
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draw_obstacles(struct s_game *g,
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void(*drawer)(struct s_game *, int faceno, int dist, int thick, int col)) { //{{{
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int i;
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for(i = 0; i < g->num_obs; i++) {
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if(g->obs[i].used) {
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struct s_obstacle o = g->obs[i];
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drawer(g, o.face, o.distance, o.thick, g->color);
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}
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}
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} //}}}
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void
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update_obstacles(struct s_game *g) { //{{{
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int i;
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for(i = 0; i < g->num_obs; i++) {
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if(g->obs[i].used) {
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g->obs[i].distance -= g->obs[i].speed;
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if(g->obs[i].distance <= POLYGON_SIZE)
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g->obs[i].used = 0;
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}
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}
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} //}}}
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void
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add_random_obstacle(struct s_game *g) {
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struct s_obstacle o;
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o = create_obstacle(SHAPE_THICK, rand()%g->polygon_type, 1);
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add_obstacle(g, o);
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}
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