tntam

// Derive slope from surface normal (0 = flat, 1 = vertical cliff)
// Clamp to guard against floating-point overshoot on nearly-vertical faces
float slope = saturate(1.0 - dot(normalize(worldNormal), float3(0, 1, 0)));

// Normalize height into 0..1 across the terrain's actual used range
// Use the real min/max of your sculpted terrain, not the asset's full range
float height = saturate((worldPos.y - terrainMinY) / (terrainMaxY - terrainMinY));

// Sample each gradient using the derived 0..1 values
float3 slopeColor  = sampleGradient(slopeGradient,  slope);

tntam

class NoiseNode : public ImageNodeBase
{
	protected:
		Slot m_outputSlot;
		float2 m_offset{ 0,0 };
		float2 m_scale{ 500,500 };
		int m_layerCount{ 1 };
		float m_lacunarity{ 2 };
		float m_persistence{ 1.0f / 3.0f };

tntam

bool GUI::Float2Field(const char* label, float2* value)
{
	PrefixLabelC(label);

	ImGuiWindow* window = ImGui::GetCurrentWindow();
	if (window->SkipItems)
		return false;

	int c = 2; //component count
	float w = ImGui::CalcItemWidth();

tntam

bool GUI::FloatField(const char* label, float* value)
{
	return ImGui::InputFloat(PrefixLabelC(label), value);
}