add engine logo

engine/resource/logo/logo.pov

@@ -0,0 +1,112 @@
+#include "colors.inc"
+#include "shapes.inc"
+#include "skies.inc"
+
+object {
+        O_Cloud1
+}
+
+sky_sphere {
+        pigment {
+                gradient y
+                color_map {
+                        [0.0 White*0.8]
+                        [0.2 rgb<0.2 0.2 0.7>]
+                }
+        }
+}
+
+plane {
+	y, 0
+	pigment {
+		checker White Red
+	}
+	finish {
+		phong 1.0
+		reflection 0.3
+	}
+}
+
+camera {
+	location <0.75 * 1.25, 0.25, -1.5 * 1.25>
+	look_at <0, 0.5, 0>
+	angle 35
+	up <0, 1, 0>
+	right image_width/image_height*x
+}
+
+light_source {
+	<125, 250, -250>
+	color White * 2
+	parallel point_at <0, 0, 0>
+}
+
+#macro Gear(NumTeeth, Diameter, Thickness)
+	#macro Tooth()
+		prism {
+			linear_sweep
+			linear_spline
+			-1,
+			1,
+			7,
+			<-1, -1.5>,
+			<-1, 0>,
+			<-0.5, 1>,
+			<0.5, 1>,
+			<1, 0>,
+			<1, -1.5>,
+			<-1, -1.5>
+			rotate -90 * x
+			scale 0.5
+		}
+	#end
+	union {
+		union {
+			#declare T=NumTeeth;
+			#declare A=0;
+			#while (A < 360)
+				object {
+					Tooth()
+					translate <0, T / pi, 0>
+					rotate z * A
+				}
+				#declare A = A + 360 / T;
+			#end
+			scale 1 / (T / pi)
+		}
+		cylinder {
+			<0, 0, -(1 / (T / pi) / 2)>,
+			<0, 0, (1 / (T / pi) / 2)>,
+			1 - (1 / (T / pi) / 2)
+		}
+		scale <0.5 * Diameter, 0.5 * Diameter, (T / pi) * 2 * Thickness>
+	}
+#end
+
+object {
+	difference {
+		Gear(16, 1, 0.1)
+		cylinder {
+			<0, 0, -1>
+			<0, 0, 1>
+			0.1
+		}
+	}
+	translate <0, 0.55, 0>
+	pigment {
+		color rgb <1, 0, 0>
+	}
+}
+
+object {
+	text {
+		ttf "../font/IBMPlexSans-Bold.ttf"
+		"GearSrc"
+		1, 0
+	}
+	pigment {
+		color rgb <1, 1, 1>
+	}
+	translate <-2, 0, -2>
+	scale <0.25, 0.25, 0.1>
+}

engine/resource/shader/shadow.fs

@@ -1,74 +0,0 @@
-#version 110
-
-varying vec4 vPos;
-varying vec3 vNrm;
-varying vec4 vShadowCoord;
-varying vec4 vColor;
-
-uniform sampler2D depth_texture;
-uniform sampler2D current_texture;
-uniform float enable_lighting;
-
-vec4 PhongShading(void)
-{
-        vec3 N = normalize(vNrm);
-        vec3 L = normalize(gl_LightSource[0].position.xyz-vPos.xyz);
-
-        vec4 ambient = gl_FrontLightProduct[0].ambient;
-
-        float dcoef = max(dot(L, N), 0.0);
-        vec4 diffuse = gl_FrontLightProduct[0].diffuse * dcoef;
-
-        vec4 specular = vec4(0.0);
-        if(dcoef > 0.0){
-                vec3 V = normalize(-vPos.xyz);
-
-                vec3 R = reflect(-L, N);
-                float specularLight = pow(max(dot(R, V), 0.0), gl_FrontMaterial.shininess);
-
-                specular = gl_FrontLightProduct[0].specular * specularLight;
-        }
-        return ambient+diffuse+specular;
-}
-
-float ShadowCoef(void){
-	vec4 shadow_coord = vShadowCoord / vShadowCoord.w;
-	float view = shadow_coord.z;
-	vec2 d[4];
-	float light = 1.0;
-	float shadow_coef = 1.0;
-	int i;
-
-	d[0] = vec2(-0.94201624, -0.39906216);
-	d[1] = vec2(0.94558609, -0.76890725);
-	d[2] = vec2(-0.094184101, -0.92938870);
-	d[3] = vec2(0.34495938, 0.29387760);
-
-	light = texture2D(depth_texture, shadow_coord.xy).z;
-
-	for(i = 0; i < 4; i++){
-		vec2 p = shadow_coord.xy + d[i] / 700.0;
-
-		if(p.x < 0.0) continue;
-		if(p.y < 0.0) continue;
-		if(p.x > 1.0) continue;
-		if(p.y > 1.0) continue;
-
-		if(texture2D(depth_texture, p).z < view){
-			shadow_coef -= 0.2;
-		}
-	}
-
-	return shadow_coef;
-}
-
-void main(void){
-	vec4 c = enable_lighting > 0.5 ? PhongShading() : vColor;
-	vec4 ambient = gl_LightSource[0].ambient;
-	float shadow_coef = ShadowCoef();
-
-	c = c * texture2D(current_texture, gl_TexCoord[0].st);
-
-	gl_FragColor = ambient * shadow_coef * c + (1.0 - ambient) * c;
-	gl_FragColor.a = 1.0;
-}

engine/resource/shader/shadow.vs

@@ -1,18 +0,0 @@
-#version 110
-
-varying vec4 vPos;
-varying vec3 vNrm;
-varying vec4 vShadowCoord;
-varying vec4 vColor;
-
-void main(void){
-	vPos = gl_ModelViewMatrix * gl_Vertex;
-	vNrm = normalize(gl_NormalMatrix * gl_Normal);
-	vShadowCoord = gl_TextureMatrix[7] * gl_ModelViewMatrix * gl_Vertex;
-
-	vColor = gl_Color;
-
-	gl_Position = gl_ProjectionMatrix * vPos;
-	gl_FrontColor = gl_Color;
-	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
-}