X-Git-Url: https://jasonwoof.com/gitweb/?p=vor.git;a=blobdiff_plain;f=rocks.c;h=9c2728c9c6a502f74236765fb19c3e2b1c010cd0;hp=607431dada316ced97c294d36e27884985f77e97;hb=7f2544faabec18fdeb7da3126fc7c842f06c1d43;hpb=0e26db03c5aca3622a007b607368b250e40b7f2c

diff --git a/rocks.c b/rocks.c
index 607431d..9c2728c 100644
--- a/rocks.c
+++ b/rocks.c
@@ -25,8 +25,6 @@ struct shape rock_shapes[NROCKS];
 // timers for rock generation.
 float rtimers[4];
 
-uint32_t rcnt;
-
 uint32_t nrocks;
 uint32_t nrocks_timer;
 uint32_t nrocks_inc_ticks = 2*60*1000/(F_ROCKS-I_ROCKS);
@@ -66,13 +64,12 @@ reset_rocks(void)
 	for(i = 0; i<MAXROCKS; i++) rock[i].active = 0;
 	nrocks = I_ROCKS;
 	nrocks_timer = 0;
-	rcnt = 0;
 }
 
 enum { LEFT, RIGHT, TOP, BOTTOM };
 
 
-// compute the number of rocks/seccond that should be coming from each side
+// compute the number of rocks/second that should be coming from each side
 
 // compute the speed ranges of rocks coming from each side
 void
@@ -85,53 +82,49 @@ rock_sides(float *ti, float *speed_min, float *speed_max)
 	for(i=0; i<4; i++) ti[i] = 0;
 	for(i=0; i<4; i++) speed_min[i] = 0;
 	for(i=0; i<4; i++) speed_max[i] = 0;
-	hfactor = nrocks/KH; vfactor = nrocks/KV;
+	hfactor = (float)nrocks/KH; vfactor = (float)nrocks/KV;
 
 	dx0 = -RDX - screendx; dx1 = RDX - screendx;
 	dy0 = -RDY - screendy; dy1 = RDY - screendy;
 
-	if(dx0 != 0) {
-		if(dx0 < 0) {
-			speed_max[RIGHT] = -dx0;
-			if(dx1 < 0) {
-				// Rocks moving left only. So the RIGHT side of the screen
-				speed_min[RIGHT] = -dx1;
-				ti[RIGHT] = -(dx0+dx1)/2;
-			} else {
-				// Rocks moving left and right
-				speed_max[LEFT] = dx1;
-				ti[RIGHT] = -dx0/2;
-				ti[LEFT] = dx1/2;
-			}
+	if(dx0 < 0) {
+		speed_max[RIGHT] = -dx0;
+		if(dx1 < 0) {
+			// Rocks moving left only. So the RIGHT side of the screen
+			speed_min[RIGHT] = -dx1;
+			ti[RIGHT] = -(dx0+dx1)/2;
 		} else {
-			// Rocks moving right only. So the LEFT side of the screen
-			speed_min[LEFT] = dx0;
+			// Rocks moving left and right
 			speed_max[LEFT] = dx1;
-			ti[LEFT] = (dx0+dx1)/2;
+			ti[RIGHT] = -dx0/2;
+			ti[LEFT] = dx1/2;
 		}
+	} else {
+		// Rocks moving right only. So the LEFT side of the screen
+		speed_min[LEFT] = dx0;
+		speed_max[LEFT] = dx1;
+		ti[LEFT] = (dx0+dx1)/2;
 	}
 	ti[LEFT] *= hfactor;
 	ti[RIGHT] *= hfactor;
 
-	if(dy0 != 0) {
-		if(dy0 < 0) {
-			speed_max[BOTTOM] = -dy0;
-			if(dy1 < 0) {
-				// Rocks moving up only. So the BOTTOM of the screen
-				speed_min[BOTTOM] = -dy1;
-				ti[BOTTOM] = -(dy0+dy1)/2;
-			} else {
-				// Rocks moving up and down
-				speed_max[TOP] = dy1;
-				ti[BOTTOM] = -dy0/2;
-				ti[TOP] = dy1/2;
-			}
+	if(dy0 < 0) {
+		speed_max[BOTTOM] = -dy0;
+		if(dy1 < 0) {
+			// Rocks moving up only. So the BOTTOM of the screen
+			speed_min[BOTTOM] = -dy1;
+			ti[BOTTOM] = -(dy0+dy1)/2;
 		} else {
-			// Rocks moving down only. so the TOP of the screen
-			speed_min[TOP] = dy0;
+			// Rocks moving up and down
 			speed_max[TOP] = dy1;
-			ti[TOP] = (dy0+dy1)/2;
+			ti[BOTTOM] = -dy0/2;
+			ti[TOP] = dy1/2;
 		}
+	} else {
+		// Rocks moving down only. so the TOP of the screen
+		speed_min[TOP] = dy0;
+		speed_max[TOP] = dy1;
+		ti[TOP] = (dy0+dy1)/2;
 	}
 	ti[TOP] *= vfactor;
 	ti[BOTTOM] *= vfactor;
@@ -163,7 +156,7 @@ new_rocks(void)
 	// loop through the four sides of the screen
 	for(i=0; i<4; i++) {
 		// see if we generate a rock for this side this frame
-		rtimers[i] += ti[i]*gamerate/20;
+		rtimers[i] += ti[i]*framelen/20;
 		while(rtimers[i] >= 1) {
 			rtimers[i] -= 1;
 			j=0;
@@ -207,7 +200,6 @@ new_rocks(void)
 				}
 
 				rockptr->active = 1;
-				rcnt++;
 			}
 		}
 	}
@@ -222,18 +214,15 @@ move_rocks(void)
 	for(i = 0; i < MAXROCKS; i++) {
 		if(rock[i].active) {
 			// move
-			rock[i].x += (rock[i].dx-screendx)*gamerate;
-			rock[i].y += (rock[i].dy-screendy)*gamerate;
+			rock[i].x += (rock[i].dx-screendx)*framelen;
+			rock[i].y += (rock[i].dy-screendy)*framelen;
 			// clip
 			if(rock[i].x < -rock[i].image->w || rock[i].x >= XSIZE
 					|| rock[i].y < -rock[i].image->h || rock[i].y >= YSIZE) {
 				rock[i].active = 0;
-				rcnt--;
 			}
 		}
 	}
-	// if(rcnt < nrocks) printf("-%d.\n", nrocks-rcnt);
-	// else printf("%d.\n", rcnt-nrocks);
 }
 
 void