Improve ship nickname rendering

resources/shaders/text2d.fragment

@@ -1,11 +1,14 @@
 #version 330 core
 in vec2 TexCoord;
 out vec4 FragColor;
-
 uniform sampler2D uText;
-uniform vec3 uColor;
-
+uniform vec4 uColor;
+uniform vec4 uOutlineColor;
+uniform float uOutlineWidth = 0.7;
 void main() {
-    float a = texture(uText, TexCoord).r;  // glyph alpha in RED channel
-    FragColor = vec4(uColor, a);
+	float dist = texture(uText, TexCoord).r;
+	float outline = smoothstep(0.5 - uOutlineWidth, 0.5 + uOutlineWidth, dist);
+	float text = smoothstep(0.5, 0.5 + 0.1, dist);
+	float glow = exp(-pow(dist - 0.5, 2.0) / 0.02);
+	FragColor = vec4(uColor.rgb * (text + glow * 0.6), uColor.a * outline);
 }

src/Game.cpp

@@ -756,26 +756,28 @@ namespace ZL
 					// Позиция корабля в мире
 					Vector3f shipWorld = st.position;
 
-					// Значение положения лейбла
-					Vector3f labelWorld = shipWorld + Vector3f{ 0.0f, -5.0f, 0.0f };
-
+					float distSq = (Environment::shipState.position - shipWorld).squaredNorm();
+					if (distSq > MAX_DIST_SQ)
+						continue;
+					float dist = sqrt(distSq);
+					float alpha = std::clamp(1.f - (dist - FADE_START) / FADE_RANGE, 0.f, 1.f);
+					if (alpha < 0.01f)
+						continue;
+					Vector3f labelWorld = shipWorld + Vector3f{ 0.f, -4.f, 0.f }; // регулировка высоты
 					float sx, sy, depth;
 					if (!worldToScreen(labelWorld, sx, sy, depth))
 						continue;
-
-					float uiX = sx;
-					float uiY = sy;
-
-					// Масштаб по расстоянию
-					float dist = (Environment::shipState.position - shipWorld).norm();
-					float scale = std::clamp(140.0f / (dist + 1.0f), 0.6f, 1.2f);
+					
+					float uiX = sx, uiY = sy;
+					float scale = std::clamp(BASE_SCALE / (dist * PERSPECTIVE_K + 1.f), MIN_SCALE, MAX_SCALE);
 
 					// Дефолтный лейбл
-					std::string label = "Player (" + std::to_string(st.id) + ")";
+					std::string label = "Player (" + std::to_string(st.id) + ") " + std::to_string((int)dist) + "m";
 
 					// TODO: nickname sync
 
-					textRenderer->drawText(label, uiX, uiY, scale, true);
+					textRenderer->drawText(label, uiX + 1.f, uiY + 1.f, scale, true, {0.f, 0.f, 0.f, alpha}); // color param
+					textRenderer->drawText(label, uiX, uiY, scale, true, { 1.f, 1.f, 1.f, alpha });
 				}
 
 				glDisable(GL_BLEND);

src/Game.h

@@ -115,6 +115,13 @@ namespace ZL {
 		uint64_t lastExplosionTime = 0;
 		const uint64_t explosionDurationMs = 500;
 
+		static constexpr float MAX_DIST_SQ = 10000.f * 10000.f;
+		static constexpr float FADE_START = 6000.f;
+		static constexpr float FADE_RANGE = 4000.f;
+		static constexpr float BASE_SCALE = 140.f;
+		static constexpr float PERSPECTIVE_K = 0.05f; // Tune
+		static constexpr float MIN_SCALE = 0.4f;
+		static constexpr float MAX_SCALE = 1.5f;
 	};
 
 

src/render/Renderer.cpp

@@ -835,6 +835,15 @@ namespace ZL {
 		}
 	}
 
+	void Renderer::RenderUniform4fv(const std::string& uniformName, const float* value)
+	{
+		auto shader = shaderManager.GetCurrentShader();
+		auto uniform = shader->uniformList.find(uniformName);
+		if (uniform != shader->uniformList.end()) {
+			glUniform4fv(uniform->second, 1, value);
+		}
+	}
+
 	void Renderer::RenderUniform1i(const std::string& uniformName, const int value)
 	{
 		auto shader = shaderManager.GetCurrentShader();

src/render/Renderer.h

@@ -138,6 +138,7 @@ namespace ZL {
 		void RenderUniformMatrix4fv(const std::string& uniformName, bool transpose, const float* value);
 		void RenderUniform1i(const std::string& uniformName, const int value);
 		void RenderUniform3fv(const std::string& uniformName, const float* value);
+		void RenderUniform4fv(const std::string& uniformName, const float* value);
 		void RenderUniform1f(const std::string& uniformName, float value);
 
 		void VertexAttribPointer2fv(const std::string& attribName, int stride, const char* pointer);

src/render/TextRenderer.cpp

@@ -3,8 +3,9 @@
 #include FT_FREETYPE_H
 
 #include "Environment.h"
-#include "render/OpenGlExtensions.h" // если у тебя там gl* указатели
+#include "render/OpenGlExtensions.h"
 #include <iostream>
+#include <array>
 
 namespace ZL {
 
@@ -25,8 +26,6 @@ bool TextRenderer::init(Renderer& renderer, const std::string& ttfPath, int pixe
 {
     r = &renderer;
 
-    // Добавим шейдер (если у тебя shaderManager работает так же, как с default)
-    // Подстрой под твой AddShaderFromFiles: тут без zip.
     r->shaderManager.AddShaderFromFiles(shaderName,
         "resources/shaders/text2d.vertex",
         "resources/shaders/text2d.fragment",
@@ -109,7 +108,7 @@ bool TextRenderer::loadGlyphs(const std::string& ttfPath, int pixelSize)
     return true;
 }
 
-void TextRenderer::drawText(const std::string& text, float x, float y, float scale, bool centered)
+void TextRenderer::drawText(const std::string& text, float x, float y, float scale, bool centered, std::array<float, 4> color)
 {
     if (!r) return;
 
@@ -127,8 +126,6 @@ void TextRenderer::drawText(const std::string& text, float x, float y, float sca
     r->shaderManager.PushShader(shaderName);
 
     // Орто-проекция в пикселях: (0..W, 0..H)
-    // ВАЖНО: мы рисуем в координатах Game::drawBoxesLabels() как uiX/uiY
-    // Здесь предположим, что (0,0) внизу слева.
     float W = (float)Environment::width;
     float H = (float)Environment::height;
 
@@ -142,9 +139,7 @@ void TextRenderer::drawText(const std::string& text, float x, float y, float sca
     r->RenderUniformMatrix4fv("uProjection", false, proj.data());
     r->RenderUniform1i("uText", 0);
 
-    // белый цвет
-    float color[3] = {1.0f, 1.0f, 1.0f};
-    r->RenderUniform3fv("uColor", color);
+    r->RenderUniform4fv("uColor", color.data());
 
     glActiveTexture(GL_TEXTURE0);
     // glBindVertexArray(vao);
@@ -184,9 +179,7 @@ void TextRenderer::drawText(const std::string& text, float x, float y, float sca
         };
 
         glBindTexture(GL_TEXTURE_2D, g.texID);
-
         glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(verts), verts);
-
         glDrawArrays(GL_TRIANGLES, 0, 6);
 
         penX += (g.advance >> 6) * scale;

src/render/TextRenderer.h

@@ -5,6 +5,7 @@
 #include <unordered_map>
 #include <Eigen/Dense>
 #include "render/Renderer.h"
+#include <array>
 
 
 namespace ZL {
@@ -22,7 +23,7 @@ public:
     ~TextRenderer();
 
     bool init(Renderer& renderer, const std::string& ttfPath, int pixelSize);
-    void drawText(const std::string& text, float x, float y, float scale, bool centered);
+    void drawText(const std::string& text, float x, float y, float scale, bool centered, std::array<float, 4> color = { 1.f,1.f,1.f,1.f });
 
 private:
     bool loadGlyphs(const std::string& ttfPath, int pixelSize);