7a57c73ac3
Added the DDS Texture Loading for future use Added the gamepad class for future use Added first child method to the scenegraph Added RGB to intensity and lerp methods to the shared methods class Added the terrain node class with normals Fixed issue with submeshnode not passing the world transform to the actual meshes
70 lines
2.1 KiB
HLSL
70 lines
2.1 KiB
HLSL
cbuffer ConstantBuffer
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{
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float4x4 completeTransformation;
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float4x4 worldTransformation;
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float4 cameraPosition;
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float4 lightVector; // the light's vector
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float4 lightColor; // the light's color
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float4 ambientColor; // the ambient light's color
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float4 diffuseCoefficient; // The diffuse reflection cooefficient
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float4 specularCoefficient; // The specular reflection cooefficient
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float shininess; // The shininess factor
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float opacity; // The opacity (transparency) of the material. 0 = fully transparent, 1 = fully opaque
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float2 padding;
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}
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Texture2D Texture;
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SamplerState ss;
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struct VertexShaderInput
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{
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float3 Position : POSITION;
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float3 Normal : NORMAL;
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float2 TexCoord : TEXCOORD;
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};
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struct PixelShaderInput
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{
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float4 Position : SV_POSITION;
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float4 PositionWS: TEXCOORD1;
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float4 NormalWS : TEXCOORD2;
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float2 TexCoord : TEXCOORD0;
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};
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PixelShaderInput VShader(VertexShaderInput vin)
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{
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PixelShaderInput output;
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output.Position = mul(completeTransformation, float4(vin.Position, 1.0f));
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output.PositionWS = mul(worldTransformation, float4(vin.Position, 1.0f));
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output.NormalWS = float4(mul((float3x3)worldTransformation, vin.Normal), 1.0f);
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output.TexCoord = vin.TexCoord;
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return output;
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}
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float4 PShader(PixelShaderInput input) : SV_TARGET
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{
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float4 viewDirection = normalize(cameraPosition - input.PositionWS);
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float4 directionToLight = normalize(-lightVector);
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// Calculate diffuse lighting
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float4 adjustedNormal = normalize(input.NormalWS);
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float NdotL = max(0, dot(adjustedNormal, directionToLight));
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float4 diffuse = saturate(lightColor * NdotL * diffuseCoefficient);
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// Calculate specular component
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float4 R = 2 * NdotL * adjustedNormal - directionToLight;
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float RdotV = max(0, dot(R, viewDirection));
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float4 specular = saturate(lightColor * pow(RdotV, shininess) * specularCoefficient);
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// Calculate ambient lighting
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float4 ambientLight = ambientColor * diffuseCoefficient;
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// Combine all components
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float4 color = saturate((ambientLight + diffuse + specular));// *Texture.Sample(ss, input.TexCoord)); // ambientColor;
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if (opacity < 1.0f)
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{
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color.a = opacity;
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}
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return color;
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} |