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REVIEW: instancing example formating

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This commit is contained in:
Ray 2021-03-25 13:41:32 +01:00
parent 7e58838895
commit dd59350485
1 changed files with 63 additions and 63 deletions
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126
examples/shaders/shaders_rlgl_mesh_instanced.c
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@ -22,12 +22,13 @@
#include "rlights.h"
#include <stdlib.h>
#include <math.h>
#define GLSL_VERSION 330
float maxf(float a, float b){
return (a > b ? a : b);
}
#if defined(PLATFORM_DESKTOP)
#define GLSL_VERSION 330
#else // PLATFORM_RPI, PLATFORM_ANDROID, PLATFORM_WEB
#define GLSL_VERSION 100
#endif
//------------------------------------------------------------------------------------
// Program main entry point
@ -38,17 +39,18 @@ int main(void)
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
int speed = 30; // speed of jump animation
int groups = 2; // count of separate groups jumping around
float amp = 10; // maximum amplitude of jump
float variance = 0.8; // global variance in jump height
float loop=0; // individual cube's computed loop timer .
float x=0,y=0,z=0; // used for various 3D coordinate & vector ops.
const int fps = 60;
SetConfigFlags(FLAG_MSAA_4X_HINT); // Enable Multi Sampling Anti Aliasing 4x (if available)
InitWindow(screenWidth, screenHeight, "raylib [shaders] example - rlgl mesh instanced");
int speed = 30; // Speed of jump animation
int groups = 2; // Count of separate groups jumping around
float amp = 10; // Maximum amplitude of jump
float variance = 0.8f; // Global variance in jump height
float loop = 0.0f; // Individual cube's computed loop timer
float x = 0.0f, y = 0.0f, z = 0.0f; // Used for various 3D coordinate & vector ops
// Define the camera to look into our 3d world
Camera camera = { 0 };
camera.position = (Vector3){ -125.0f, 125.0f, -125.0f };
@ -75,8 +77,8 @@ int main(void)
x = GetRandomValue(0, 360);
y = GetRandomValue(0, 360);
z = GetRandomValue(0, 360);
Vector3 axis = Vector3Normalize((Vector3){x, y, z});
float angle = (float)GetRandomValue(0, 10) * DEG2RAD;
Vector3 axis = Vector3Normalize((Vector3){ x, y, z });
float angle = (float)GetRandomValue(0, 10)*DEG2RAD;
rotationsInc[i] = MatrixRotate(axis, angle);
rotations[i] = MatrixIdentity();
@ -96,33 +98,34 @@ int main(void)
int ambientLoc = GetShaderLocation(shader, "ambient");
SetShaderValue(shader, ambientLoc, (float[4]){ 0.2f, 0.2f, 0.2f, 1.0f }, SHADER_UNIFORM_VEC4);
CreateLight(LIGHT_DIRECTIONAL, (Vector3){ 50, 50, 0 }, Vector3Zero(), WHITE, shader);
CreateLight(LIGHT_DIRECTIONAL, (Vector3){ 50.0f, 50.0f, 0.0f }, Vector3Zero(), WHITE, shader);
Material material = LoadMaterialDefault();
material.shader = shader;
material.maps[MATERIAL_MAP_DIFFUSE].color = RED;
SetCameraMode(camera, CAMERA_ORBITAL); // Set a free camera mode
SetCameraMode(camera, CAMERA_ORBITAL); // Set an orbital camera mode
int textPositionY = 300;
int framesCounter = 0; // Simple frames counter to manage animation
SetTargetFPS(fps); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
int frame = 0; // simple frame counter to manage animation
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
UpdateCamera(&camera);
frame ++;
framesCounter++;
//if (IsKeyDown(KEY_RIGHT)) ballPosition.x += 2.0f;
//if (IsKeyDown(KEY_LEFT)) ballPosition.x -= 2.0f;
if (IsKeyDown(KEY_UP)) amp += 0.5;
if (IsKeyDown(KEY_DOWN)) amp = amp <= 1 ? 1 : amp - 1.0;
if (IsKeyDown(KEY_LEFT)) variance = variance <=0 ? 0 : variance - 0.01;
if (IsKeyDown(KEY_RIGHT)) variance = variance >=1 ? 1 : variance + 0.01;
if (IsKeyDown(KEY_UP)) amp += 0.5f;
if (IsKeyDown(KEY_DOWN)) amp = (amp <= 1)? 1.0f : (amp - 1.0f);
if (IsKeyDown(KEY_LEFT)) variance = (variance <= 0.0f)? 0.0f : (variance - 0.01f);
if (IsKeyDown(KEY_RIGHT)) variance = (variance >= 1.0f)? 1.0f : (variance + 0.01f);
if (IsKeyDown(KEY_ONE)) groups = 1;
if (IsKeyDown(KEY_TWO)) groups = 2;
if (IsKeyDown(KEY_THREE)) groups = 3;
@ -132,34 +135,34 @@ int main(void)
if (IsKeyDown(KEY_SEVEN)) groups = 7;
if (IsKeyDown(KEY_EIGHT)) groups = 8;
if (IsKeyDown(KEY_NINE)) groups = 9;
if (IsKeyDown(KEY_W)) {groups=7; amp = 25; speed=18; variance=0.70;}
if (IsKeyDown(KEY_W)) { groups = 7; amp = 25; speed = 18; variance = 0.70f; }
if (IsKeyDown(KEY_EQUAL)) speed = speed <= (fps *.25) ? (fps *.25) : speed * 0.95;
if (IsKeyDown(KEY_KP_ADD)) speed = speed <= (fps *.25) ? (fps *.25) : speed * 0.95;
if (IsKeyDown(KEY_EQUAL)) speed = (speed <= (fps*0.25f))? (fps*0.25f) : (speed*0.95f);
if (IsKeyDown(KEY_KP_ADD)) speed = (speed <= (fps*0.25f))? (fps*0.25f) : (speed*0.95f);
if (IsKeyDown(KEY_MINUS)) speed = maxf(speed * 1.02, speed + 1) ;
if (IsKeyDown(KEY_KP_SUBTRACT)) maxf(speed * 1.02, speed + 1) ;
if (IsKeyDown(KEY_MINUS)) speed = fmaxf(speed*1.02f, speed + 1);
if (IsKeyDown(KEY_KP_SUBTRACT)) speed = fmaxf(speed*1.02f, speed + 1);
// Update the light shader with the camera view position
float cameraPos[3] = { camera.position.x, camera.position.y, camera.position.z };
SetShaderValue(shader, shader.locs[SHADER_LOC_VECTOR_VIEW], cameraPos, SHADER_UNIFORM_VEC3);
// Apply per-instance transformations
for (int i = 0; i < count; i++){
for (int i = 0; i < count; i++)
{
rotations[i] = MatrixMultiply(rotations[i], rotationsInc[i]);
transforms[i] = MatrixMultiply(rotations[i], translations[i]);
// get the animation cycle's frame for this instance.
loop = (float)( (frame + (int)(((float)(i % groups)/groups) * speed)) % speed) / speed;
// Get the animation cycle's framesCounter for this instance
loop = (float)((framesCounter + (int)(((float)(i%groups)/groups)*speed))%speed)/speed;
// calculate the y according to loop cycle
y = ( sinf( loop * PI * 2 ) ) * (amp )* ((1 - variance) + ((variance) * (float)(i % (groups * 10)) / (groups * 10)));
// Calculate the y according to loop cycle
y = (sinf(loop*PI*2))*amp*((1 - variance) + (variance*(float)(i%(groups*10))/(groups*10)));
// clamp to floor
y = (y<0 ? 0 : y);
// Clamp to floor
y = (y < 0)? 0.0f : y;
transforms[i] = MatrixMultiply(transforms[i], MatrixTranslate(0, y, 0));
transforms[i] = MatrixMultiply(transforms[i], MatrixTranslate(0.0f, y, 0.0f));
}
//----------------------------------------------------------------------------------
@ -170,42 +173,39 @@ int main(void)
ClearBackground(RAYWHITE);
BeginMode3D(camera);
rlDrawMeshInstanced(cube, material, transforms, count);
DrawMeshInstanced(cube, material, transforms, count);
EndMode3D();
int u = 10;
int u2 = u + 40;
int u3 = u2 + 110;
int v = 300;
DrawText("A CUBE OF DANCING CUBES!", 490, 10, 20, MAROON);
DrawText("PRESS KEYS:", u, v, 20, BLACK);
DrawText("PRESS KEYS:", 10, textPositionY, 20, BLACK);
DrawText("1 - 9", u, v+=25, 10, BLACK);
DrawText(": Number of groups", u2, v , 10, BLACK);
DrawText(TextFormat(": %d", groups), u3, v , 10, BLACK);
DrawText("1 - 9", 10, textPositionY += 25, 10, BLACK);
DrawText(": Number of groups", 50, textPositionY , 10, BLACK);
DrawText(TextFormat(": %d", groups), 160, textPositionY , 10, BLACK);
DrawText("UP", u, v+=15, 10, BLACK);
DrawText(": increase amplitude", u2, v, 10, BLACK);
DrawText(TextFormat(": %.2f", amp), u3, v , 10, BLACK);
DrawText("UP", 10, textPositionY += 15, 10, BLACK);
DrawText(": increase amplitude", 50, textPositionY, 10, BLACK);
DrawText(TextFormat(": %.2f", amp), 160, textPositionY , 10, BLACK);
DrawText("DOWN", u, v+=15, 10, BLACK);
DrawText(": decrease amplitude", u2, v, 10, BLACK);
DrawText("DOWN", 10, textPositionY += 15, 10, BLACK);
DrawText(": decrease amplitude", 50, textPositionY, 10, BLACK);
DrawText("LEFT", u, v+=15, 10, BLACK);
DrawText(": decrease variance", u2, v, 10, BLACK);
DrawText(TextFormat(": %.2f", variance), u3, v , 10, BLACK);
DrawText("LEFT", 10, textPositionY += 15, 10, BLACK);
DrawText(": decrease variance", 50, textPositionY, 10, BLACK);
DrawText(TextFormat(": %.2f", variance), 160, textPositionY , 10, BLACK);
DrawText("RIGHT", u, v+=15, 10, BLACK);
DrawText(": increase variance", u2, v, 10, BLACK);
DrawText("RIGHT", 10, textPositionY += 15, 10, BLACK);
DrawText(": increase variance", 50, textPositionY, 10, BLACK);
DrawText("+/=", u, v+=15, 10, BLACK);
DrawText(": increase speed", u2, v, 10, BLACK);
DrawText(TextFormat(": %d = %f loops/sec", speed, ((float)fps / speed)), u3, v , 10, BLACK);
DrawText("+/=", 10, textPositionY += 15, 10, BLACK);
DrawText(": increase speed", 50, textPositionY, 10, BLACK);
DrawText(TextFormat(": %d = %f loops/sec", speed, ((float)fps / speed)), 160, textPositionY , 10, BLACK);
DrawText("-", u, v+=15, 10, BLACK);
DrawText(": decrease speed", u2, v, 10, BLACK);
DrawText("-", 10, textPositionY += 15, 10, BLACK);
DrawText(": decrease speed", 50, textPositionY, 10, BLACK);
DrawText("W", u, v+=15, 10, BLACK);
DrawText(": Wild setup!", u2, v, 10, BLACK);
DrawText("W", 10, textPositionY += 15, 10, BLACK);
DrawText(": Wild setup!", 50, textPositionY, 10, BLACK);
DrawFPS(10, 10);