From b45f1d015d0f64f3526e2e2ed39b7de2dae1724f Mon Sep 17 00:00:00 2001
From: Frank Villaro-Dixon <frank@vi-di.fr>
Date: Thu, 1 Jan 2015 07:37:18 +0100
Subject: [PATCH] pulsations

---
 game.c     |  7 ++++++-
 game.h     |  3 ++-
 main.c     | 11 ++++-------
 obs.c      |  3 ++-
 polygons.c |  5 +++++
 5 files changed, 19 insertions(+), 10 deletions(-)

diff --git a/game.c b/game.c
index 06cacca..6ec8a5e 100644
--- a/game.c
+++ b/game.c
@@ -56,9 +56,13 @@ to_screen_coords(struct s_game *g, SDL_Point p) {
 	q.x = p.x * cos(angle) - p.y * sin(angle);
 	q.y = p.x * sin(angle) + p.y * cos(angle);
 
+//	q.x *= g->sexual_pulsation;
+//	q.y *= g->sexual_pulsation;
+
 	q.x += SCREEN_WIDTH/2;
 	q.y += SCREEN_HEIGHT/2;
 
+
 	return q;
 }
 
@@ -92,8 +96,8 @@ void
 void
 draw_game(struct s_game *g) { //{{{
 	draw_background(g);
-	draw_polygon(g);
 	draw_obstacles(g);
+	draw_polygon(g);
 	draw_cursor(g);
 } //}}}
 
@@ -119,6 +123,7 @@ init_game(struct s_game *g) { //{{{
 	g->polygon_type = SHAPE_HEXAGON;
 	g->cursor_angle = TO_DEG(90);
 	g->general_rotation = 0;
+	g->sexual_pulsation = 1;
 	g->color = 128;
 	g->keys = SDL_GetKeyState(NULL);
 
diff --git a/game.h b/game.h
index af5c903..08e820e 100644
--- a/game.h
+++ b/game.h
@@ -15,7 +15,7 @@
 #define SCREEN_DIAGONAL (sqrt(SCREEN_HEIGHT*SCREEN_HEIGHT + SCREEN_WIDTH*SCREEN_WIDTH))
 
 
-#define POLYGON_SIZE 30
+#define POLYGON_SIZE 50
 
 #define SHAPE_SQUARE 4
 #define SHAPE_PENTAGON 5
@@ -42,6 +42,7 @@ struct s_game {
 	#define CURSOR_POS_MAX 255
 	int cursor_angle; //relative to the polygon center's referential
 	int general_rotation;
+	float sexual_pulsation;
 	int polygon_type; //Shape
 	int color;
 	int actual_speed;
diff --git a/main.c b/main.c
index 3851b37..4f5390e 100644
--- a/main.c
+++ b/main.c
@@ -6,6 +6,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <math.h>
 #include "SDL/SDL.h"
 #include "game.h"
 #include "sdl.h"
@@ -49,15 +50,11 @@ start:
 
 		ga.counter++;
 
-		if(rand()%30 == 0) {
-			rotation += rand()%20 - 10;
-			if(rotation > 15)
-				rotation = 15;
-			if(rotation < -13)
-				rotation = -13;
-		}
 		ga.general_rotation += rotation;
 		ga.general_rotation %= ANGLE_MAX;
+
+		ga.sexual_pulsation = 0.3 * fabs(cos(ga.counter*M_PI/45)) + 1 +
+		                      0.3 * fabs(sin(ga.counter*M_PI/90));
 	}
 
 	return EXIT_SUCCESS;
diff --git a/obs.c b/obs.c
index 662effc..60733b8 100644
--- a/obs.c
+++ b/obs.c
@@ -74,8 +74,9 @@ update_obstacles(struct s_game *g) { //{{{
 	for(i = 0; i < g->num_obs; i++) {
 		if(g->obs[i].used) {
 			g->obs[i].distance -= g->obs[i].speed;
+			g->obs[i].thick = 3 * g->sexual_pulsation * SHAPE_THICK;
 
-			if(g->obs[i].distance <= POLYGON_SIZE)
+			if(g->obs[i].distance <= 0)
 				g->obs[i].used = 0;
 		}
 	}
diff --git a/polygons.c b/polygons.c
index d30558f..64c0c4c 100644
--- a/polygons.c
+++ b/polygons.c
@@ -46,6 +46,11 @@ draw_polygon(struct s_game *g) { //{{{
 	void (*drawer)(struct s_game *, int faceno, int dist, int thick, int col);
 	drawer = get_polygon_drawer(g);
 
+	for(faces = 0; faces < SHAPE_HEXAGON; faces++) {
+		drawer(g, faces, 0, POLYGON_SIZE, 0);
+	}
+
+
 	for(faces = 0; faces < SHAPE_HEXAGON; faces++) {
 		drawer(g, faces, POLYGON_SIZE, SHAPE_THICK-5, g->color);
 	}