Physics and shaders

Resolves #13. Resolves #16. Resolves #23. Resolves #27.
fonsp · Dec 14, 2014 · b49bc63 · b49bc63
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commit b49bc63
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Showing 31 changed files with 772 additions and 406 deletions.
diff --git a/GraphicsEngine/Content/shaders/blur.fsh b/GraphicsEngine/Content/shaders/blur.fsh
@@ -0,0 +1,58 @@
+#version 120
+uniform float worldTime;
+uniform sampler2D tex;
+uniform sampler2D depthTex;
+
+uniform float focalDist;
+
+float asdf = 0.0;
+
+void main()
+{
+	float dx = 2.0 / 1280.0;
+	float dy = 2.0 / 0720.0;
+
+	float depth = texture2D(depthTex, gl_TexCoord[0].xy).x;
+	float n = 1.0; // camera z near
+	float f = 100000.0; // camera z far
+	depth = 2000.0 * (2.0 * n) / (f + n - depth * (f - n));
+
+
+	float focalDist2 = 2000.0 * (2.0 * n) / (f + n - focalDist * (f - n));
+
+	depth = abs(1.0 - sqrt(depth / focalDist2));
+	depth = clamp(depth, 0.0, 1.0);
+	vec4 sum = vec4(0.0);
+	if(depth >= 0.5)
+	{
+		float[] pascal = float[7](1.0, 6.0, 15.0, 20.0, 15.0, 6.0, 1.0);
+
+		for(int x = 0; x < 7; x++)
+		{
+			for(int y = 0; y < 7; y++)
+			{
+				sum = sum + texture2D(tex, gl_TexCoord[0].xy + vec2((x - 3) * dx, (y - 3) * dy)) * pascal[x] * pascal[y];
+			}
+		}
+		sum = sum / 4096.0;
+		//sum.r = 1.0;
+		depth = 1.0;
+	} else {
+		float[] pascal = float[5](1.0, 4.0, 6.0, 4.0, 1.0);
+
+		for(int x = 0; x < 5; x++)
+		{
+			for(int y = 0; y < 5; y++)
+			{
+				sum = sum + texture2D(tex, gl_TexCoord[0].xy + vec2((x - 2) * dx, (y - 2) * dy)) * pascal[x] * pascal[y];
+			}
+		}
+		sum = sum / 256.0;
+		//sum.g = 1.0;
+		depth = depth * 2;
+	}
+
+	vec4 diff = texture2D(tex, gl_TexCoord[0].xy);
+	//diff.b = 1.0;
+	gl_FragColor = sum * depth + diff * (1.0 - depth);
+}
diff --git a/GraphicsEngine/Content/shaders/blur.vsh b/GraphicsEngine/Content/shaders/blur.vsh
@@ -0,0 +1,9 @@
+#version 120
+uniform float worldTime;
+
+void main()
+{
+	gl_FrontColor = gl_Color;
+    gl_Position = ftransform();
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+}
diff --git a/GraphicsEngine/Content/shaders/collision.fsh b/GraphicsEngine/Content/shaders/collision.fsh
@@ -0,0 +1,13 @@
+#version 120
+uniform float worldTime;
+uniform int effects;
+uniform float b;
+uniform vec3 vdir;
+uniform vec3 cpos;
+uniform mat4 crot;
+uniform sampler2D tex;
+
+void main()
+{
+	gl_FragColor = vec4(0.5, 0.0, 0.0, 0.05);
+}
diff --git a/GraphicsEngine/Content/shaders/collision.vsh b/GraphicsEngine/Content/shaders/collision.vsh
@@ -0,0 +1,14 @@
+#version 120
+uniform float worldTime;
+uniform int effects;
+uniform float b;
+uniform vec3 vdir;
+uniform vec3 cpos;
+uniform mat4 crot;
+
+void main()
+{
+	vec4 v = gl_Vertex;
+	v.xyz = v.xyz - cpos;
+	gl_Position = gl_ProjectionMatrix * (crot * (gl_ModelViewMatrix * v));
+}
diff --git a/GraphicsEngine/Content/shaders/crt.fsh b/GraphicsEngine/Content/shaders/crt.fsh
@@ -0,0 +1,18 @@
+#version 120
+uniform float worldTime;
+uniform sampler2D tex;
+
+void main()
+{
+	/*vec2 rCoord = (gl_TexCoord[0].xy - vec2(0.5, 0.5)) * 0.995 + vec2(0.5, 0.5);
+
+	float r = texture2D(tex, rCoord).r;
+	float g = texture2D(tex, gl_TexCoord[0].xy).g;
+	float b = texture2D(tex, gl_TexCoord[0].xy).b;
+	gl_FragColor = vec4(r, g, b, 1.0); chromatic aberration*/
+	/*gl_FragColor = vec4(texture2D(tex, gl_TexCoord[0].xy).xyz - texture2D(tex, gl_TexCoord[0].xy + vec2(1.0/1280.0, 1.0/720.0)).xyz, 1.0); diff*/
+	float r = texture2D(tex, (gl_TexCoord[0].xy - vec2(0.5, 0.5)) * 0.992 + vec2(0.5, 0.5)).r;
+	float g = texture2D(tex, gl_TexCoord[0].xy).g;
+	float b = texture2D(tex, (gl_TexCoord[0].xy - vec2(0.5, 0.5)) * 0.998 + vec2(0.5, 0.5)).b;
+	gl_FragColor = vec4(vec3(r, g, b) * (mod(int(gl_FragCoord.y), 2) + 1.0) * 0.5, 1.0);
+}
diff --git a/GraphicsEngine/Content/shaders/crt.vsh b/GraphicsEngine/Content/shaders/crt.vsh
@@ -0,0 +1,9 @@
+#version 120
+uniform float worldTime;
+
+void main()
+{
+	gl_FrontColor = gl_Color;
+    gl_Position = ftransform();
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+}
diff --git a/GraphicsEngine/Content/shaders/depth.fsh b/GraphicsEngine/Content/shaders/depth.fsh
@@ -0,0 +1,28 @@
+#version 120
+#extension GL_EXT_gpu_shader4 : enable
+uniform float worldTime;
+uniform int effects;
+uniform float b;
+uniform vec3 vdir;
+uniform vec3 cpos;
+uniform mat4 crot;
+uniform sampler2D tex;
+varying float dopp;
+
+void main()
+{
+	vec4 output = texture2D(tex, gl_TexCoord[0].xy) * vec4(vec3(gl_Color.w), 1.0);
+	if((effects / 2) % 2 == 1)
+	{
+		output = output * vec4(vec3(0.5 + dopp / 2.0), 1.0);
+	}
+	if((effects / 4) % 2 == 1)
+	{
+		vec4 shift = vec4(1.0);
+		shift.r = 2 * max(0, 0.5 - abs(dopp + 0.0)) + 2 * max(0, 0.5 - abs(dopp + 0.5)) + 2 * max(0, 0.5 - abs(dopp + 1.0));
+		shift.g = 2 * max(0, 0.5 - abs(dopp - 0.5)) + 2 * max(0, 0.5 - abs(dopp + 0.0)) + 2 * max(0, 0.5 - abs(dopp + 0.5));
+		shift.b = 2 * max(0, 0.5 - abs(dopp - 1.0)) + 2 * max(0, 0.5 - abs(dopp - 0.5)) + 2 * max(0, 0.5 - abs(dopp + 0.0));
+		output = output * shift;
+	}
+	gl_FragColor = output;
+}
diff --git a/GraphicsEngine/Content/shaders/depth.vsh b/GraphicsEngine/Content/shaders/depth.vsh
@@ -0,0 +1,31 @@
+#version 120
+#extension GL_EXT_gpu_shader4 : enable
+uniform float worldTime;
+uniform int effects;
+uniform float b;
+uniform vec3 vdir;
+uniform vec3 cpos;
+uniform mat4 crot;
+varying float dopp;
+
+void main()
+{
+	vec4 v = gl_Vertex;
+	v.xyz = v.xyz - cpos;
+	v = gl_ModelViewMatrix * v;
+	dopp = 0.0;
+	if(b > 0)
+	{
+		dopp = dot(v.xyz, vdir) * b / length(v.xyz);
+		if((effects / 1) % 2 == 1)
+		{
+			float oldlength = length(v.xyz);
+			v.xyz = v.xyz + vdir * b * length(v.xyz);
+			v.xyz = v.xyz * (oldlength / length(v.xyz));
+		}
+	}
+	v = crot * v;
+    gl_Position = gl_ProjectionMatrix * v;
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+	gl_FrontColor = vec4(gl_Color.xyz, 1.0 / (gl_Position.w / 2000.0 + 1.0));
+}
diff --git a/GraphicsEngine/Content/shaders/diffuse.fsh b/GraphicsEngine/Content/shaders/diffuse.fsh
@@ -0,0 +1,35 @@
+#version 120
+#extension GL_EXT_gpu_shader4 : enable
+
+uniform float worldTime;
+uniform int effects;
+uniform float bL;
+uniform float bW;
+uniform vec3 vdirL;
+uniform vec3 vdirW;
+uniform vec3 cpos;
+uniform mat4 crot;
+varying float dopp;
+uniform sampler2D tex;
+
+varying float intensity;
+
+void main()
+{
+	float a = sqrt(intensity);
+
+	vec4 output = texture2D(tex, gl_TexCoord[0].xy) * vec4(vec3(gl_Color.w), 1.0) * (vec4(a, a, a, 1.0) * gl_LightSource[0].diffuse + vec4(1.0-a, 1.0-a, 1.0-a, 1.0) * gl_LightSource[0].ambient);
+	if((effects / 2) % 2 == 1)
+	{
+		output = output * vec4(vec3(1.0 + dopp), 1.0);
+	}
+	if((effects / 4) % 2 == 1)
+	{
+		vec4 shift = vec4(1.0);
+		shift.r = 2 * max(0, 0.5 - abs(dopp + 0.0)) * output.r + 2 * max(0, 0.5 - abs(dopp + 0.5)) * output.g + 2 * max(0, 0.5 - abs(dopp + 1.0)) * output.b;
+		shift.g = 2 * max(0, 0.5 - abs(dopp - 0.5)) * output.r + 2 * max(0, 0.5 - abs(dopp + 0.0)) * output.g + 2 * max(0, 0.5 - abs(dopp + 0.5)) * output.b;
+		shift.b = 2 * max(0, 0.5 - abs(dopp - 1.0)) * output.r + 2 * max(0, 0.5 - abs(dopp - 0.5)) * output.g + 2 * max(0, 0.5 - abs(dopp + 0.0)) * output.b;
+		output = shift;
+	}
+	gl_FragColor = output;
+}
diff --git a/GraphicsEngine/Content/shaders/diffuse.vsh b/GraphicsEngine/Content/shaders/diffuse.vsh
@@ -0,0 +1,38 @@
+#version 120
+#extension GL_EXT_gpu_shader4 : enable
+
+uniform float worldTime;
+uniform int effects;
+uniform float bL;
+uniform float bW;
+uniform vec3 vdirL;
+uniform vec3 vdirW;
+uniform vec3 cpos;
+uniform mat4 crot;
+varying float dopp;
+
+varying float intensity;
+
+void main()
+{
+	intensity = (dot(gl_LightSource[0].position.xyz, gl_Normal)+1.0)/2.0;
+
+	vec4 v = gl_Vertex;
+	v.xyz = v.xyz - cpos;
+	v = gl_ModelViewMatrix * v;
+	dopp = dot(v.xyz, vdirL) * bL / length(v.xyz);;
+	if(bW > 0)
+	{
+		if((effects / 1) % 2 == 1)
+		{
+			float oldlength = length(v.xyz);
+			v.xyz = v.xyz + vdirW * bW * length(v.xyz);
+			v.xyz = v.xyz * (oldlength / length(v.xyz));
+		}
+	}
+	v = crot * v;
+    gl_Position = gl_ProjectionMatrix * v;
+
+	gl_FrontColor = vec4(gl_Color.xyz, 1.0 / (gl_Position.w / 2000.0 + 1.0));
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+}
diff --git a/GraphicsEngine/Content/shaders/dither.fsh b/GraphicsEngine/Content/shaders/dither.fsh
@@ -0,0 +1,13 @@
+#version 120
+uniform float worldTime;
+uniform sampler2D tex;
+uniform sampler2D ditherTex;
+
+void main()
+{
+	float r = int(texture2D(ditherTex, gl_FragCoord.xy / 4).r < texture2D(tex, gl_TexCoord[0].xy).r);
+	float g = int(texture2D(ditherTex, gl_FragCoord.xy / 4).r < texture2D(tex, gl_TexCoord[0].xy).g);
+	float b = int(texture2D(ditherTex, gl_FragCoord.xy / 4).r < texture2D(tex, gl_TexCoord[0].xy).b);
+
+	gl_FragColor = vec4(r, g, b, 1.0);
+}
diff --git a/GraphicsEngine/Content/shaders/dither.vsh b/GraphicsEngine/Content/shaders/dither.vsh
@@ -0,0 +1,9 @@
+#version 120
+uniform float worldTime;
+
+void main()
+{
+	gl_FrontColor = gl_Color;
+    gl_Position = ftransform();
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+}
diff --git a/GraphicsEngine/Content/shaders/hud.fsh b/GraphicsEngine/Content/shaders/hud.fsh
@@ -0,0 +1,8 @@
+#version 120
+uniform float worldTime;
+uniform sampler2D tex;
+
+void main()
+{
+	gl_FragColor = texture2D(tex, gl_TexCoord[0].xy) * gl_Color;
+}
diff --git a/GraphicsEngine/Content/shaders/hud.vsh b/GraphicsEngine/Content/shaders/hud.vsh
@@ -0,0 +1,9 @@
+#version 120
+uniform float worldTime;
+
+void main()
+{
+	gl_FrontColor = gl_Color;
+    gl_Position = ftransform();
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+}
diff --git a/GraphicsEngine/Content/shaders/ssao.fsh b/GraphicsEngine/Content/shaders/ssao.fsh
@@ -0,0 +1,58 @@
+#version 120
+uniform float worldTime;
+uniform sampler2D tex;
+uniform sampler2D depthTex;
+
+uniform float focalDist;
+
+float asdf = 0.0;
+
+void main()
+{
+	float dx = 2.0 / 1280.0;
+	float dy = 2.0 / 0720.0;
+
+	float depth = texture2D(depthTex, gl_TexCoord[0].xy).x;
+	float n = 1.0; // camera z near
+	float f = 100000.0; // camera z far
+	depth = 2000.0 * (2.0 * n) / (f + n - depth * (f - n));
+
+
+	float focalDist2 = 2000.0 * (2.0 * n) / (f + n - focalDist * (f - n));
+
+	depth = abs(1.0 - sqrt(depth / focalDist2));
+	depth = clamp(depth, 0.0, 1.0);
+	vec4 sum = vec4(0.0);
+	if(depth >= 0.5)
+	{
+		float[] pascal = float[7](1.0, 6.0, 15.0, 20.0, 15.0, 6.0, 1.0);
+
+		for(int x = 0; x < 7; x++)
+		{
+			for(int y = 0; y < 7; y++)
+			{
+				sum = sum + texture2D(tex, gl_TexCoord[0].xy + vec2((x - 3) * dx, (y - 3) * dy)) * pascal[x] * pascal[y];
+			}
+		}
+		sum = sum / 4096.0;
+		//sum.r = 1.0;
+		depth = 1.0;
+	} else {
+		float[] pascal = float[5](1.0, 4.0, 6.0, 4.0, 1.0);
+
+		for(int x = 0; x < 5; x++)
+		{
+			for(int y = 0; y < 5; y++)
+			{
+				sum = sum + texture2D(tex, gl_TexCoord[0].xy + vec2((x - 2) * dx, (y - 2) * dy)) * pascal[x] * pascal[y];
+			}
+		}
+		sum = sum / 256.0;
+		//sum.g = 1.0;
+		depth = depth * 2;
+	}
+
+	vec4 diff = texture2D(tex, gl_TexCoord[0].xy);
+	//diff.b = 1.0;
+	gl_FragColor = sum * depth + diff * (1.0 - depth) + vec4(0.2, 0.0, 0.0, 0.0);
+}
diff --git a/GraphicsEngine/Content/shaders/ssao.vsh b/GraphicsEngine/Content/shaders/ssao.vsh
@@ -0,0 +1,9 @@
+#version 120
+uniform float worldTime;
+
+void main()
+{
+	gl_FrontColor = gl_Color;
+    gl_Position = ftransform();
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+}