From 1485924a2b90d15949fe544097ce8d00d527e9e7 Mon Sep 17 00:00:00 2001
From: lawnjelly <lawnjelly@gmail.com>
Date: Thu, 24 Feb 2022 07:17:00 +0000
Subject: Float literals - fix main primitives to use real_t casting

Uses (real_t) casting to ensure appropriate calculations are done in 32 bit where real_t is compiled as 32 bit.
---
 core/math/geometry_3d.h | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

(limited to 'core/math/geometry_3d.h')

diff --git a/core/math/geometry_3d.h b/core/math/geometry_3d.h
index 482c7ea604..59c56906f4 100644
--- a/core/math/geometry_3d.h
+++ b/core/math/geometry_3d.h
@@ -76,7 +76,7 @@ public:
 		real_t tc, tN, tD = D; // tc = tN / tD, default tD = D >= 0
 
 		// Compute the line parameters of the two closest points.
-		if (D < CMP_EPSILON) { // The lines are almost parallel.
+		if (D < (real_t)CMP_EPSILON) { // The lines are almost parallel.
 			sN = 0.0f; // Force using point P0 on segment S1
 			sD = 1.0f; // to prevent possible division by 0.0 later.
 			tN = e;
@@ -142,7 +142,7 @@ public:
 		Vector3 s = p_from - p_v0;
 		real_t u = f * s.dot(h);
 
-		if (u < 0.0f || u > 1.0f) {
+		if ((u < 0.0f) || (u > 1.0f)) {
 			return false;
 		}
 
@@ -150,7 +150,7 @@ public:
 
 		real_t v = f * p_dir.dot(q);
 
-		if (v < 0.0f || u + v > 1.0f) {
+		if ((v < 0.0f) || (u + v > 1.0f)) {
 			return false;
 		}
 
@@ -183,7 +183,7 @@ public:
 		Vector3 s = p_from - p_v0;
 		real_t u = f * s.dot(h);
 
-		if (u < 0.0f || u > 1.0f) {
+		if ((u < 0.0f) || (u > 1.0f)) {
 			return false;
 		}
 
@@ -191,7 +191,7 @@ public:
 
 		real_t v = f * rel.dot(q);
 
-		if (v < 0.0f || u + v > 1.0f) {
+		if ((v < 0.0f) || (u + v > 1.0f)) {
 			return false;
 		}
 
@@ -199,7 +199,7 @@ public:
 		// the intersection point is on the line.
 		real_t t = f * e2.dot(q);
 
-		if (t > CMP_EPSILON && t <= 1.0f) { // Ray intersection.
+		if (t > (real_t)CMP_EPSILON && t <= 1.0f) { // Ray intersection.
 			if (r_res) {
 				*r_res = p_from + rel * t;
 			}
@@ -213,7 +213,7 @@ public:
 		Vector3 sphere_pos = p_sphere_pos - p_from;
 		Vector3 rel = (p_to - p_from);
 		real_t rel_l = rel.length();
-		if (rel_l < CMP_EPSILON) {
+		if (rel_l < (real_t)CMP_EPSILON) {
 			return false; // Both points are the same.
 		}
 		Vector3 normal = rel / rel_l;
@@ -229,7 +229,7 @@ public:
 		real_t inters_d2 = p_sphere_radius * p_sphere_radius - ray_distance * ray_distance;
 		real_t inters_d = sphere_d;
 
-		if (inters_d2 >= CMP_EPSILON) {
+		if (inters_d2 >= (real_t)CMP_EPSILON) {
 			inters_d -= Math::sqrt(inters_d2);
 		}
 
@@ -253,7 +253,7 @@ public:
 	static inline bool segment_intersects_cylinder(const Vector3 &p_from, const Vector3 &p_to, real_t p_height, real_t p_radius, Vector3 *r_res = nullptr, Vector3 *r_norm = nullptr, int p_cylinder_axis = 2) {
 		Vector3 rel = (p_to - p_from);
 		real_t rel_l = rel.length();
-		if (rel_l < CMP_EPSILON) {
+		if (rel_l < (real_t)CMP_EPSILON) {
 			return false; // Both points are the same.
 		}
 
@@ -269,7 +269,7 @@ public:
 
 		Vector3 axis_dir;
 
-		if (crs_l < CMP_EPSILON) {
+		if (crs_l < (real_t)CMP_EPSILON) {
 			Vector3 side_axis;
 			side_axis[(p_cylinder_axis + 1) % 3] = 1.0f; // Any side axis OK.
 			axis_dir = side_axis;
@@ -285,7 +285,7 @@ public:
 
 		// Convert to 2D.
 		real_t w2 = p_radius * p_radius - dist * dist;
-		if (w2 < CMP_EPSILON) {
+		if (w2 < (real_t)CMP_EPSILON) {
 			return false; // Avoid numerical error.
 		}
 		Size2 size(Math::sqrt(w2), p_height * 0.5f);
@@ -366,7 +366,7 @@ public:
 		Vector3 rel = p_to - p_from;
 		real_t rel_l = rel.length();
 
-		if (rel_l < CMP_EPSILON) {
+		if (rel_l < (real_t)CMP_EPSILON) {
 			return false;
 		}
 
@@ -379,7 +379,7 @@ public:
 
 			real_t den = p.normal.dot(dir);
 
-			if (Math::abs(den) <= CMP_EPSILON) {
+			if (Math::abs(den) <= (real_t)CMP_EPSILON) {
 				continue; // Ignore parallel plane.
 			}
 
@@ -564,11 +564,11 @@ public:
 
 		for (int a = 0; a < polygon.size(); a++) {
 			real_t dist = p_plane.distance_to(polygon[a]);
-			if (dist < -CMP_POINT_IN_PLANE_EPSILON) {
+			if (dist < (real_t)-CMP_POINT_IN_PLANE_EPSILON) {
 				location_cache[a] = LOC_INSIDE;
 				inside_count++;
 			} else {
-				if (dist > CMP_POINT_IN_PLANE_EPSILON) {
+				if (dist > (real_t)CMP_POINT_IN_PLANE_EPSILON) {
 					location_cache[a] = LOC_OUTSIDE;
 					outside_count++;
 				} else {
-- 
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