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create sphere with nice skybox texture

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This commit is contained in:
Thyme1 2022-01-01 12:21:15 +01:00
parent ce82c3f8ec
commit f03ed1fa4b
3 changed files with 39 additions and 31 deletions
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16
grafika_projekt/shaders/bubble.frag
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@ -1,16 +1,16 @@
#version 410 core
out vec4 FragColor;
#version 330 core
out vec4 gl_FragColor;
in vec3 Normal;
in vec3 Position;
uniform sampler2D textureSampler;
in vec3 fragPos;
in vec3 interpNormal;
uniform vec3 cameraPos;
uniform samplerCube skybox;
void main()
{
float ratio = 1.00 / 1.52;
vec3 I = normalize(Position - cameraPos);
vec3 R = refract(I, normalize(Normal), ratio);
FragColor = vec4(texture(skybox, R).rgb, 1.0);
vec3 I = normalize(fragPos - cameraPos);
vec3 R = reflect(I, normalize(interpNormal));
gl_FragColor = vec4(texture(skybox, R).rgb, 1.0);
}

23
grafika_projekt/shaders/bubble.vert
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@ -1,17 +1,16 @@
#version 410 core
layout (location = 0) in vec3 aPos;
layout (location = 1) in vec3 aNormal;
#version 330 core
layout(location = 0) in vec3 vertexPosition;
layout(location = 1) in vec3 vertexNormal;
out vec3 Normal;
out vec3 Position;
out vec3 interpNormal;
out vec3 fragPos;
uniform mat4 model;
uniform mat4 view;
uniform mat4 projection;
uniform mat4 modelMatrix;
uniform mat4 modelViewProjectionMatrix;
void main()
{
Normal = mat3(transpose(inverse(model))) * aNormal;
Position = vec3(model * vec4(aPos, 1.0));
gl_Position = projection * view * vec4(Position, 1.0);
}
gl_Position = modelViewProjectionMatrix * vec4(vertexPosition, 1.0);
interpNormal = (modelMatrix * vec4(vertexNormal, 0.0)).xyz;
fragPos = (modelMatrix*vec4(vertexPosition,1)).xyz;
}

31
grafika_projekt/src/main.cpp
View File

@ -325,9 +325,9 @@ void drawObjectColor(Core::RenderContext context, glm::mat4 modelMatrix, glm::ve
glUseProgram(0);
}
void drawObjectTexture(Core::RenderContext context, glm::mat4 modelMatrix, GLuint textureId)
void drawObjectTexture(Core::RenderContext context, glm::mat4 modelMatrix, GLuint textureId, GLuint program)
{
GLuint program = programTexture;
glUseProgram(program);
@ -359,7 +359,9 @@ void renderScene()
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_CUBE_MAP, cubemapTexture);
glDrawArrays(GL_TRIANGLES, 0, 36);
//glUseProgram(skyboxProgram);
//glUseProgram(cubeProgram);
//glBindVertexArray(0);
//glBindVertexArray(cubeVAO);
//glActiveTexture(GL_TEXTURE0);
@ -374,6 +376,11 @@ void renderScene()
glm::mat4 submarineInitialTransformation = glm::translate(glm::vec3(0, -0.5, -0.4)) * glm::rotate(glm::radians(180.0f), glm::vec3(0, 1, 0)) * glm::scale(glm::vec3(0.25f));
glm::mat4 submarineModelMatrix = glm::translate(cameraPos + cameraDir) * glm::mat4_cast(glm::inverse(rotation)) * submarineInitialTransformation;
glm::mat4 bubbleInitialTransformation = glm::translate(glm::vec3(0, -0.5, -0.4)) * glm::rotate(glm::radians(180.0f), glm::vec3(0, 1, 0)) * glm::scale(glm::vec3(0.5f));
drawObjectTexture(bubbleContext, bubbleInitialTransformation, textureBubble, cubeProgram);
glm::vec3 change1 = glm::vec3(0, 3, 0);
glm::vec3 change2 = glm::vec3(0, 0, 0);
@ -385,19 +392,19 @@ void renderScene()
glm::vec3 change8 = glm::vec3(0, 1, 1);
for (int i = 0; i < 5; i++) {
if (time > -10) {
drawObjectTexture(fishContext, animationMatrix(time + 15, change1, fishKeyPoints, glm::vec3(0.25f), 1.f), textureFish);
drawObjectTexture(fishContext, animationMatrix(time + 15, change2, fishKeyPoints, glm::vec3(0.25f), 1.f), textureFish);
drawObjectTexture(fishContext, animationMatrix(time + 15, change3, fishKeyPoints, glm::vec3(0.25f), 1.f), textureFish);
drawObjectTexture(fishContext, animationMatrix(time + 15, change4, fishKeyPoints, glm::vec3(0.25f), 1.f), textureFish);
drawObjectTexture(bubbleContext, animationMatrix(time + 15, change5, bubbleKeyPoints, glm::vec3(0.01f), 0.2f), textureBubble);
drawObjectTexture(bubbleContext, animationMatrix(time + 15, change6, bubbleKeyPoints, glm::vec3(0.01f), 0.2f), textureBubble);
drawObjectTexture(bubbleContext, animationMatrix(time + 15, change7, bubbleKeyPoints, glm::vec3(0.01f), 0.2f), textureBubble);
drawObjectTexture(fishContext, animationMatrix(time + 15, change1, fishKeyPoints, glm::vec3(0.25f), 1.f), textureFish, programTexture);
drawObjectTexture(fishContext, animationMatrix(time + 15, change2, fishKeyPoints, glm::vec3(0.25f), 1.f), textureFish, programTexture);
drawObjectTexture(fishContext, animationMatrix(time + 15, change3, fishKeyPoints, glm::vec3(0.25f), 1.f), textureFish, programTexture);
drawObjectTexture(fishContext, animationMatrix(time + 15, change4, fishKeyPoints, glm::vec3(0.25f), 1.f), textureFish, programTexture);
//drawObjectTexture(bubbleContext, animationMatrix(time + 15, change5, bubbleKeyPoints, glm::vec3(0.01f), 0.2f), GL_TEXTURE_CUBE_MAP, skyboxProgram);
//drawObjectTexture(bubbleContext, animationMatrix(time + 15, change6, bubbleKeyPoints, glm::vec3(0.01f), 0.2f), GL_TEXTURE_CUBE_MAP, skyboxProgram);
//drawObjectTexture(bubbleContext, animationMatrix(time + 15, change7, bubbleKeyPoints, glm::vec3(0.01f), 0.2f), GL_TEXTURE_CUBE_MAP, skyboxProgram);
time -= 6;
}
}
drawObjectTexture(submarineContext, submarineModelMatrix, textureSubmarine);
drawObjectTexture(submarineContext, submarineModelMatrix, textureSubmarine, programTexture);
glutSwapBuffers();
}
@ -526,6 +533,8 @@ void shutdown()
shaderLoader.DeleteProgram(programColor);
shaderLoader.DeleteProgram(programTexture);
shaderLoader.DeleteProgram(skyboxProgram);
shaderLoader.DeleteProgram(cubeProgram);
}
void idle()