From: Andreas Eversberg <jolly@eversberg.eu>
Date: Sun, 22 Apr 2018 14:53:35 +0000 (+0200)
Subject: OVR: Normalize planet distance, so they appear infinitely away
X-Git-Url: http://git.eversberg.eu/gitweb.cgi?p=mercenary-reloaded.git;a=commitdiff_plain;h=f9a8bdef8e4cf82b2859a038cb65249beb14b690

OVR: Normalize planet distance, so they appear infinitely away
---

diff --git a/src/mercenary/render.c b/src/mercenary/render.c
index 3582c3a..c35b811 100644
--- a/src/mercenary/render.c
+++ b/src/mercenary/render.c
@@ -2133,7 +2133,7 @@ void render_one_item(render_item_t *render_item, int vr)
 		double circle_x[PLANET_VERTICES], circle_y[PLANET_VERTICES], circle_z[PLANET_VERTICES];
 		double crescent_x[PLANET_VERTICES], crescent_y[PLANET_VERTICES], crescent_z[PLANET_VERTICES];
 		double x[PLANET_VERTICES], y[PLANET_VERTICES], z[PLANET_VERTICES];
-		double size, angle, fabs_angle, crescent;
+		double dist, size, angle, fabs_angle, crescent;
 		double _sin, _cos;
 		int i;
 		int rc;
@@ -2158,6 +2158,9 @@ void render_one_item(render_item_t *render_item, int vr)
 		rotate_coordinate(roll, pitch, yaw, &sun_x, &sun_y, &sun_z);
 		rotate_coordinate(roll, pitch, yaw, &loc_x, &loc_y, &loc_z);
 
+		/* distance to planet */
+		dist = sqrt(loc_x * loc_x + loc_y * loc_y + loc_z * loc_z);
+
 		/* calculate direction of the sun */
 		angle_sun_h = atan2(sun_x, sun_z);
 		angle_loc_h = atan2(loc_x, loc_z);
@@ -2213,9 +2216,9 @@ void render_one_item(render_item_t *render_item, int vr)
 			}
 		}
 		for (i = 0; i < PLANET_VERTICES; i++) {
-			x[i] = loc_x + circle_x[i];
-			y[i] = loc_y + circle_y[i];
-			z[i] = loc_z + circle_z[i];
+			x[i] = (loc_x + circle_x[i]) / dist * 1000000.0;
+			y[i] = (loc_y + circle_y[i]) / dist * 1000000.0;
+			z[i] = (loc_z + circle_z[i]) / dist * 1000000.0;
 		}
 		opengl_render_polygon_and_line(x, y, z, PLANET_VERTICES); /* no culling, its a planet! */
 
@@ -2237,27 +2240,27 @@ void render_one_item(render_item_t *render_item, int vr)
 		if (angle > M_PI / 2.0 || (angle < 0.0 && angle > -M_PI / 2.0)) {
 			/* to the right */
 			for (i = 0; i < PLANET_VERTICES / 2 + 1; i++) {
-				x[i] = loc_x + circle_x[i];
-				y[i] = loc_y + circle_y[i];
-				z[i] = loc_z + circle_z[i];
+				x[i] = (loc_x + circle_x[i]) / dist * 1000000.0;
+				y[i] = (loc_y + circle_y[i]) / dist * 1000000.0;
+				z[i] = (loc_z + circle_z[i]) / dist * 1000000.0;
 			}
 			_sin = sin((1.0 - angle / (M_PI / 2)) * (M_PI / 2.0));
 			for (; i < PLANET_VERTICES; i++) {
-				x[i] = loc_x + crescent_x[i];
-				y[i] = loc_y + crescent_y[i];
-				z[i] = loc_z + crescent_z[i];
+				x[i] = (loc_x + crescent_x[i]) / dist * 1000000.0;
+				y[i] = (loc_y + crescent_y[i]) / dist * 1000000.0;
+				z[i] = (loc_z + crescent_z[i]) / dist * 1000000.0;
 			}
 		} else {
 			/* to the left */
 			for (i = 0; i < PLANET_VERTICES / 2 + 1; i++) {
-				x[i] = loc_x + crescent_x[i];
-				y[i] = loc_y + crescent_y[i];
-				z[i] = loc_z + crescent_z[i];
+				x[i] = (loc_x + crescent_x[i]) / dist * 1000000.0;
+				y[i] = (loc_y + crescent_y[i]) / dist * 1000000.0;
+				z[i] = (loc_z + crescent_z[i]) / dist * 1000000.0;
 			}
 			for (; i < PLANET_VERTICES; i++) {
-				x[i] = loc_x + circle_x[i];
-				y[i] = loc_y + circle_y[i];
-				z[i] = loc_z + circle_z[i];
+				x[i] = (loc_x + circle_x[i]) / dist * 1000000.0;
+				y[i] = (loc_y + circle_y[i]) / dist * 1000000.0;
+				z[i] = (loc_z + circle_z[i]) / dist * 1000000.0;
 			}
 		}
 		opengl_render_polygon_and_line(x, y, z, PLANET_VERTICES); /* no culling, its a planet! */