From 685b33980cc7a346574b24732464f0cbe3115a1f Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Wed, 15 Nov 2023 01:29:24 +0000
Subject: Switch to millimeters for spatial units
Mostly a case of changing far too many magic numbers, something else to
fix I guess. I probably missed something. Also there's some hackery when
loading 3D models, which are still assumed to be in metres.
---
gfx/gl/shaders/landmass.fs | 6 +++---
gfx/gl/shaders/pointLight.fs | 2 +-
gfx/gl/shaders/pointLight.vs | 2 +-
gfx/gl/shaders/spotLight.fs | 2 +-
gfx/gl/shaders/spotLight.vs | 2 +-
gfx/gl/shaders/water.fs | 2 +-
gfx/gl/shaders/water.vs | 4 ++--
7 files changed, 10 insertions(+), 10 deletions(-)
(limited to 'gfx/gl/shaders')
diff --git a/gfx/gl/shaders/landmass.fs b/gfx/gl/shaders/landmass.fs
index 4dc92bb..9865d11 100644
--- a/gfx/gl/shaders/landmass.fs
+++ b/gfx/gl/shaders/landmass.fs
@@ -11,9 +11,9 @@ const vec3 rock = vec3(.2, .2, .1);
const vec3 sand = vec3(.76, .7, .5);
const vec3 snow = vec3(.97, .97, .99);
-const float beachline = .5;
-const float snowline_low = 28;
-const float snowline_high = 30;
+const float beachline = 500;
+const float snowline_low = 28000;
+const float snowline_high = 30000;
const float slope_min = .99;
const float slope_mid = .95;
diff --git a/gfx/gl/shaders/pointLight.fs b/gfx/gl/shaders/pointLight.fs
index bd32c05..1a68df8 100644
--- a/gfx/gl/shaders/pointLight.fs
+++ b/gfx/gl/shaders/pointLight.fs
@@ -26,5 +26,5 @@ main()
if (normalDot < 0) {
discard;
}
- FragColor = (colour * normalDot) / (1 + (kq * pow(lightDist, 2)));
+ FragColor = (colour * normalDot) / (1 + (kq * pow(lightDist / 1000.0, 2)));
}
diff --git a/gfx/gl/shaders/pointLight.vs b/gfx/gl/shaders/pointLight.vs
index b3fe7b9..7694a25 100644
--- a/gfx/gl/shaders/pointLight.vs
+++ b/gfx/gl/shaders/pointLight.vs
@@ -13,6 +13,6 @@ void
main()
{
centre = position;
- size = (8 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
+ size = (8000 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
gl_Position = vec4(centre - viewPoint, 0);
}
diff --git a/gfx/gl/shaders/spotLight.fs b/gfx/gl/shaders/spotLight.fs
index add86fd..78b8f72 100644
--- a/gfx/gl/shaders/spotLight.fs
+++ b/gfx/gl/shaders/spotLight.fs
@@ -30,5 +30,5 @@ main()
if (normalDot < 0) {
discard;
}
- FragColor = (colour * normalDot) / (1 + (kq * pow(lightDist, 2)));
+ FragColor = (colour * normalDot) / (1 + (kq * pow(lightDist / 1000.0, 2)));
}
diff --git a/gfx/gl/shaders/spotLight.vs b/gfx/gl/shaders/spotLight.vs
index e61b641..08197a4 100644
--- a/gfx/gl/shaders/spotLight.vs
+++ b/gfx/gl/shaders/spotLight.vs
@@ -18,7 +18,7 @@ main()
{
position = v_position;
direction = normalize(v_direction);
- size = (8 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
+ size = (8000 * sqrt(max(max(colour.r, colour.g), colour.b))) / sqrt(kq);
cosarc = cos(arc / 2);
gl_Position = vec4(position - viewPoint, 0);
}
diff --git a/gfx/gl/shaders/water.fs b/gfx/gl/shaders/water.fs
index 04aa94c..2ccc924 100644
--- a/gfx/gl/shaders/water.fs
+++ b/gfx/gl/shaders/water.fs
@@ -13,5 +13,5 @@ main()
gPosition = vec4(FragPos, 1);
gNormal = vec4(Normal, 1);
gAlbedoSpec = texture(texture0, TexCoords);
- gAlbedoSpec.a *= clamp(-FragPos.z * .7, .1, 1.0);
+ gAlbedoSpec.a *= clamp(-FragPos.z * .0007, .1, 1.0);
}
diff --git a/gfx/gl/shaders/water.vs b/gfx/gl/shaders/water.vs
index 014499f..03eabb2 100644
--- a/gfx/gl/shaders/water.vs
+++ b/gfx/gl/shaders/water.vs
@@ -10,8 +10,8 @@ uniform vec3 waves;
void
main()
{
- vec3 wpos = vec3(position.x + cos(waves.x), position.y + cos(waves.x * waves.y / 2),
- cos(waves.x + position.x + (position.y / 8)) * .3);
+ vec3 wpos = vec3(position.x + (cos(waves.x) * 1000.0), position.y + (cos(waves.x * waves.y / 2) * 1000.0),
+ cos(waves.x + (position.x / 1000.0) + (position.y * 125.0)) * 300.0);
FragPos = vec3(wpos.xy, position.z);
TexCoords = texCoord;
--
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