first running version

.gitignore

@@ -1,3 +1,8 @@
 
 frames/*
+datas/*.xcf
 
+WS/timing
+
+*.png
+*.gif

Makefile

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+
+
+POVOPT = +q9 +a -d -W1024 -H768
+POVDEP = contexte.inc elements.inc datas/hf.png
+
+
+PNG:	essai.png scene.png
+
+
+essai.png:		essai.pov Makefile $(POVDEP)
+	povray $(POVOPT) -i$< -o$@
+
+scene.png:		scene.pov Makefile $(POVDEP)
+	povray $(POVOPT) +K166 -i$< -o$@
+
+

WS/README.md

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+
+
+workspace

contexte.inc

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+/*
+ *   nouveau projet Thu Dec  5 11:37:05 AM UTC 2024
+ */
+
+// plane { y, 0 pigment { color DarkGreen } }
+
+height_field {
+	png "datas/hf.png"
+	smooth
+	texture {
+		pigment { DarkGreen  }
+		finish  { phong 0.333 }
+		}
+	translate <-.5, 0, -.5>
+	scale <18, 0.85, 18>
+	}
+
+
+#if (0)
+cylinder { 0, <1, 0, 0>, 0.008 pigment { color Red } }
+cylinder { 0, <0, 0, 1>, 0.008 pigment { color Blue } }
+#end
+
+
+light_source {
+	<2, 2.50,  3>	color White
+	spotlight
+	radius 12
+	falloff 20
+	tightness 10
+	point_at <0, 0.95, 0.22222222>
+	}
+
+// light_source { <-6, 7, -4>, rgb <0.81, 0.65, 0.40> }

datas/README.md

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+
+
+statics datas, like height-fields files...
+

elements.inc

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+/*
+ *   nouveau projet Thu Dec  5 11:37:05 AM UTC 2024
+ */
+
+#declare HexaCone_shape = object
+{
+#local RA = 0.125;
+#local RB = 0.001;
+union	{
+	cone { 0, RA, <-1,  0,  0>, RB }
+	cone { 0, RA, < 1,  0,  0>, RB }
+	cone { 0, RA, < 0,  0,  1>, RB }
+	cone { 0, RA, < 0,  0, -1>, RB }
+	cone { 0, RA, < 0,  1,  0>, RB }
+	cone { 0, RA, < 0, -1,  0>, RB }
+	}
+}
+
+#declare HexaCone_body = object
+{
+union	{
+	difference {
+		object { HexaCone_shape }
+		object { HexaCone_shape scale 0.99 }
+		sphere {0, 0.24 }
+		cylinder { <-1, 0, 0.55>, <1, 0, 0.55>,
+					RA*0.40 }
+		}
+	difference {
+		sphere {0, 0.20 }
+		sphere {0, 0.18 }
+		cylinder {-x, x, 0.10 }
+		cylinder {-y, y, 0.10 }
+		cylinder {-z, z, 0.10 }
+		}
+	light_source { 0, rgb <0.99, 0.05, 0.05> }
+	}
+texture { New_Penny }
+}
+
+/*
+ *
+ */
+#declare HexaCone_radar = object
+{
+union	{
+#for (foo, 0, 360, 60)
+	#local RR = 0.16;
+	#local PX = RR * sin(radians(foo));
+	#local PZ = RR * cos(radians(foo));
+	sphere { 0, 0.008
+		scale <1, 1.37, 1>
+		translate <PX, 0, PZ>
+		}
+	cylinder { -0.11*y, <PX, 0, PZ>, 0.003 }
+#end
+	}
+texture { PinkAlabaster scale 8 }
+}
+
+#declare HexaCone_head = object
+{
+#local DTa = 0.278;
+#local DTb = 0.030;
+
+merge	{
+	difference {
+		torus { DTa, DTb }
+		#local TB = 0.50;
+		box { <-TB, -TB, TB>, <TB, TB, 0> }
+		}
+	sphere { 0, DTb*1.55 translate -DTa*x }
+	sphere { 0, DTb*1.55 translate  DTa*x }
+	}
+texture { Orange_Glass }
+}
+
+#declare HexaCone = object
+{
+union	{
+	object { HexaCone_body }
+	#local T = 0.55;
+	object { HexaCone_head  translate <0, 0, T+DTa> }
+	object { HexaCone_radar translate <0, T+0.07, 0> }
+	}
+rotate <-7, 0, -9>
+}

essai.pov

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+/*
+ *   nouveau projet Thu Dec  5 11:37:05 AM UTC 2024
+ */
+
+#version 3.7;
+
+global_settings	{
+	assumed_gamma  1.0
+	}
+
+#include  "colors.inc"
+#include  "textures.inc"
+#include  "elements.inc"
+#include  "contexte.inc"
+
+object { HexaCone_radar translate y*0.6 }
+
+camera	{
+	location	<-3, 2, 1>
+	look_at		<0, 0.6, 0>
+	angle		10
+	}

fonctions.sh

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+
+set -eu
+
+ff_encodage()
+{
+ffmpeg  -nostdin                                        \
+        -y -r 30 -f image2 -i frames/%05d.png           \
+        -metadata artist='--[ tTh ]--'                  \
+        -metadata title='-- HexaCone --'    		\
+        -c:v libx264                                    \
+        -pix_fmt yuv420p                                \
+        -tune film                                      \
+        wip.mp4
+}
+
+mp_encodage()
+{
+mencoder	'mf://frames/*.png'		\
+		-mf				\
+		fps=30				\
+		-ovc lavc			\
+		-lavcopts vcodec=mpeg4		\
+		-o output.avi
+}
+

mkloop.sh

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+#!/bin/bash
+
+source fonctions.sh
+
+set -e ; set -u
+
+TYPE="gif89a"
+NBFRAMES=180
+
+case $TYPE in
+	"gif89a")	DIMS="-W640 -H400"	;;
+	"mp4")		DIMS="-W1280 -H1024"	;;
+esac
+POVOPT="+q9 +a -d ${DIMS}"
+echo $POVOPT ; echo ; sleep 2
+
+TMPIMG=/dev/shm/tmpimg.png
+
+for frame in $(seq 0 $((NBFRAMES-1)))
+do
+	img=$(printf "frames/%05d.png" $frame)
+
+	debut=$(date +%s)
+	povray ${POVOPT} +K${frame} -iscene.pov -o${TMPIMG}
+
+	txt=$(printf "#%03d" $frame)
+	echo $frame $img $txt
+	convert    ${TMPIMG}		\
+		-pointsize 14		\
+		-fill white		\
+		-gravity south		\
+		-annotate +0+0 "$txt"	\
+		${img}
+	fin=$(date +%s)
+	echo
+	echo $frame $(( fin - debut )) | tee -a WS/timing
+	echo ; echo
+done
+
+echo 
+
+case $TYPE in
+	"gif89a")	convert -delay 8 -dither none	\
+			-colors 102 frames/* foo.gif		;;
+esac
+ls -lh foo.gif
+

scene.pov

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+/*
+ *   nouveau projet Thu Dec  5 11:37:05 AM UTC 2024
+ */
+
+#version 3.7;
+
+global_settings	{
+	assumed_gamma  1.0
+	}
+
+#include  "colors.inc"
+#include  "textures.inc"
+#include  "elements.inc"
+#include  "contexte.inc"
+
+object { HexaCone translate y*1.15 }
+
+#declare CK = 56 + (clock * 2);
+#declare Dcam = 1.95;
+#declare CamX = Dcam *        sin(radians(CK));
+#declare CamZ = Dcam * 1.23 * cos(radians(CK));
+#declare CamZ = CamZ - 0.9;
+
+#declare Lat  = <0.03, 1.08, 0.22>;
+camera	{
+	location	<CamX, 1.20, CamZ>
+	look_at		Lat
+	focal_point	Lat
+	aperture	0.06
+	blur_samples	33
+	angle		70
+	}
+
+light_source { <CamX*1.3, 1.35, 2+(CamZ*1.3)>,
+			rgb <0.47, 0.65, 0.49> }