git: fix tests

[factor.git] / extra / terrain / terrain.factor

diff --git a/extra/terrain/terrain.factor b/extra/terrain/terrain.factor
index 2b9e3260250101701d5a49715c7c3d7b53ecf08b..934e809c25b18748750cbab81f0d5a3422f445fd 100644 (file)
--- a/extra/terrain/terrain.factor
+++ b/extra/terrain/terrain.factor
@@ -1,14 +1,13 @@
-! (c)2009 Joe Groff, Doug Coleman. bsd license
-USING: accessors arrays combinators game.input game.loop
-game.input.scancodes grouping kernel literals locals
-math math.constants math.functions math.order
-math.vectors opengl opengl.capabilities opengl.gl
-opengl.shaders opengl.textures opengl.textures.private
-sequences sequences.product specialized-arrays
-terrain.generation terrain.shaders typed ui ui.gadgets
-ui.gadgets.worlds ui.pixel-formats game.worlds
-math.matrices.simd noise ui.gestures combinators.short-circuit
-destructors grid-meshes math.vectors.simd ;
+! Copyright (C) 2009 Joe Groff, Doug Coleman.
+! See https://factorcode.org/license.txt for BSD license.
+USING: accessors arrays combinators combinators.short-circuit
+destructors game.input game.input.scancodes game.loop
+game.worlds grid-meshes grouping kernel literals math
+math.functions math.matrices.simd math.order
+math.vectors math.vectors.simd noise opengl
+opengl.capabilities opengl.gl opengl.shaders opengl.textures
+sequences specialized-arrays terrain.generation terrain.shaders
+typed ui ui.gadgets.worlds ui.gestures ui.pixel-formats ;
 QUALIFIED-WITH: alien.c-types c
 SPECIALIZED-ARRAY: c:float
 IN: terrain
@@ -69,12 +68,9 @@ TUPLE: terrain-world < game-world
     [ yaw>> 0.0 1.0 0.0 glRotatef ]
     [ location>> vneg first3 glTranslatef ] tri ;
 
-: degrees ( deg -- rad )
-    pi 180.0 / * ; inline
-
 TYPED: eye-rotate ( yaw: float pitch: float v: float-4 -- v': float-4 )
-    [ float-4{  0.0 -1.0 0.0 0.0 } swap degrees rotation-matrix4 ]
-    [ float-4{ -1.0  0.0 0.0 0.0 } swap degrees rotation-matrix4 m4. ]
+    [ float-4{  0.0 -1.0 0.0 0.0 } swap deg>rad rotation-matrix4 ]
+    [ float-4{ -1.0  0.0 0.0 0.0 } swap deg>rad rotation-matrix4 m4. ]
     [ m4.v ] tri* float-4{ t t t f } vand ;
 
 : forward-vector ( player -- v )
@@ -152,7 +148,7 @@ terrain-world H{
     GRAVITY v+ ;
 
 : clamp-coords ( coords dim -- coords' )
-    [ { 0 0 } vmax ] dip { 2 2 } v- vmin ;
+    { 0 0 } swap { 2 2 } v- vclamp ;
 
 :: pixel-indices ( coords dim -- indices )
     coords vfloor v>integer dim clamp-coords :> floor-coords
@@ -171,7 +167,7 @@ terrain-world H{
     segment bitmap>> 4 <groups> :> pixels
     pixel dim pixel-indices :> indices
 
-    indices [ pixels nth COMPONENT-SCALE v. 255.0 / ] map
+    indices [ pixels nth COMPONENT-SCALE vdot 255.0 / ] map
     first4 pixel-mantissa bilerp ;
 
 : (collide) ( segment location -- location' )